
8 bosses · Valheim 1.0.16
Shields vs bosses
Some boss attacks can't be blocked at all — the hit is marked unblockable in the files, so only a dodge helps. For the rest: the weakest shield (at its max level) that takes every one of them without a stagger, blocking or parrying, with the best health food of the boss's biome.
Eikthyr
Max health 115 (best Meadows food) → a stagger at 46 stagger damage.
- Skill 0: block Wood Shield, parry Wood Shield
- Skill 50: block Wood Shield, parry Wood Shield
- Skill 100: block Wood Shield, parry Wood Shield
| Shield (skill 50) | Antler | Charge | Stomp |
|---|---|---|---|
| ✓6.9 st · 4 throughparry ✓ | ✓5.6 st · 3 throughparry ✓ | ✓5.6 st · 3 throughparry ✓ | |
| ✓6 st · 4 through | ✓4.7 st · 2 through | ✓4.7 st · 2 through |
The Elder
Max health 150 (best Black Forest food) → a stagger at 60 stagger damage.
- Skill 0: block Wood Shield, parry Wood Shield
- Skill 50: block Wood Shield, parry Wood Shield
- Skill 100: block Wood Shield, parry Wood Shield
| Shield (skill 50) | Shoot | Stomp |
|---|---|---|
| ✓9.5 st · 14 throughparry ✓ | ✓10 st · 38 throughparry ✓ | |
| ✓8.7 st · 11 through | ✓10 st · 33 through | |
| ✓7.5 st · 9 throughparry ✓ | ✓9.8 st · 26 throughparry ✓ |
Bonemass
Max health 175 (best Swamp food) → a stagger at 70 stagger damage.
- Skill 0: block Wood Shield, parry Wood Shield
- Skill 50: block Wood Shield, parry Wood Shield
- Skill 100: block Wood Shield, parry Wood Shield
| Shield (skill 50) | Attack aoe | Attack punch |
|---|---|---|
| can't block | ✓10 st · 108 throughparry ✓ | |
| can't block | ✓10 st · 103 through | |
| can't block | ✓10 st · 95 throughparry ✓ | |
| can't block | ✓10 st · 80 throughparry ✓ | |
| can't block | ✓10 st · 75 through | |
| can't block | ✓10 st · 63 throughparry ✓ | |
| can't block | ✓9.8 st · 56 throughparry ✓ | |
| can't block | ✓9.6 st · 53 through |
Moder
Max health 195 (best Mountains food) → a stagger at 78 stagger damage.
- Skill 0: block Bone Tower Shield, parry Bronze Buckler
- Skill 50: block Iron Buckler, parry Bronze Buckler
- Skill 100: block Iron Buckler, parry Bronze Buckler
| Shield (skill 50) | Bite | Claw left | Claw right | Spit shotgun | Coldbreath |
|---|---|---|---|---|---|
| stagger10 st · 98 throughparry stagger | stagger10 st · 88 throughparry ✓ | stagger10 st · 88 throughparry ✓ | ✓10 st · 208 throughparry ✓ | ✓10 st · 178 throughparry ✓ | |
| stagger10 st · 93 through | stagger10 st · 83 through | stagger10 st · 83 through | ✓10 st · 203 through | ✓10 st · 173 through | |
| stagger10 st · 85 throughparry ✓ | ✓10 st · 75 throughparry ✓ | ✓10 st · 75 throughparry ✓ | ✓10 st · 195 throughparry ✓ | ✓10 st · 165 throughparry ✓ | |
| ✓10 st · 70 throughparry ✓ | ✓10 st · 60 throughparry ✓ | ✓10 st · 60 throughparry ✓ | ✓10 st · 180 throughparry ✓ | ✓10 st · 150 throughparry ✓ | |
| ✓10 st · 65 through | ✓10 st · 55 through | ✓10 st · 55 through | ✓10 st · 175 through | ✓10 st · 145 through | |
| ✓9.9 st · 53 throughparry ✓ | ✓9.7 st · 45 throughparry ✓ | ✓9.7 st · 45 throughparry ✓ | ✓10 st · 163 throughparry ✓ | ✓10 st · 133 throughparry ✓ | |
| ✓9.6 st · 48 throughparry ✓ | ✓9.3 st · 40 throughparry ✓ | ✓9.3 st · 40 throughparry ✓ | ✓10 st · 155 throughparry ✓ | ✓10 st · 125 throughparry ✓ | |
| ✓9.4 st · 45 through | ✓9 st · 38 through | ✓9 st · 38 through | ✓10 st · 150 through | ✓10 st · 120 through | |
| ✓8.9 st · 40 throughparry ✓ | ✓8.5 st · 34 throughparry ✓ | ✓8.5 st · 34 throughparry ✓ | ✓10 st · 140 throughparry ✓ | ✓10 st · 110 throughparry ✓ |
Yagluth
Max health 235 (best Plains food) → a stagger at 94 stagger damage.
- Skill 0: block Wood Shield, parry Wood Shield
- Skill 50: block Wood Shield, parry Wood Shield
- Skill 100: block Wood Shield, parry Wood Shield
| Shield (skill 50) | Beam | Nova |
|---|---|---|
| ✓10 st · 38 throughparry ✓ | ✓10 st · 108 throughparry ✓ | |
| ✓10 st · 33 through | ✓10 st · 103 through | |
| ✓9.8 st · 26 throughparry ✓ | ✓10 st · 95 throughparry ✓ | |
| ✓8.4 st · 18 throughparry ✓ | ✓10 st · 80 throughparry ✓ | |
| ✓7.9 st · 16 through | ✓10 st · 75 through | |
| ✓6.9 st · 13 throughparry ✓ | ✓10 st · 63 throughparry ✓ | |
| ✓6.4 st · 12 throughparry ✓ | ✓9.8 st · 56 throughparry ✓ | |
| ✓6.1 st · 11 through | ✓9.6 st · 53 through | |
| ✓5.6 st · 10 throughparry ✓ | ✓9.2 st · 47 throughparry ✓ | |
| ✓4.6 st · 8 throughparry ✓ | ✓8.2 st · 38 throughparry ✓ | |
| ✓3.7 st · 6 through | ✓7 st · 29 through |
The Queen
Max health 270 (best Mistlands food) → a stagger at 108 stagger damage.
- Skill 0: block Shield of Roots, parry Bronze Buckler
- Skill 50: block Bone Tower Shield, parry Bronze Buckler
- Skill 100: block Iron Buckler, parry Bronze Buckler
| Shield (skill 50) | Teleport | Rush | Bite | Call | Spit | Slap | Pierce aOE |
|---|---|---|---|---|---|---|---|
| ✓10 st · 58 throughparry ✓ | ✓10 st · 78 throughparry ✓ | stagger10 st · 218 throughparry stagger | ✓10 st · 58 throughparry ✓ | ✓10 st · 58 throughparry ✓ | ✓10 st · 108 throughparry ✓ | stagger10 st · 128 throughparry stagger | |
| ✓10 st · 53 through | ✓10 st · 73 through | stagger10 st · 213 through | ✓10 st · 53 through | ✓10 st · 53 through | ✓10 st · 103 through | stagger10 st · 123 through | |
| ✓10 st · 45 throughparry ✓ | ✓10 st · 65 throughparry ✓ | stagger10 st · 205 throughparry ✓ | ✓10 st · 45 throughparry ✓ | ✓10 st · 45 throughparry ✓ | ✓10 st · 95 throughparry ✓ | stagger10 st · 115 throughparry ✓ | |
| ✓9.6 st · 32 throughparry ✓ | ✓10 st · 50 throughparry ✓ | stagger10 st · 190 throughparry ✓ | ✓9.6 st · 32 throughparry ✓ | ✓9.6 st · 32 throughparry ✓ | ✓10 st · 80 throughparry ✓ | ✓10 st · 100 throughparry ✓ | |
| ✓9.3 st · 29 through | ✓9.9 st · 45 through | ✓10 st · 185 through | ✓9.3 st · 29 through | ✓9.3 st · 29 through | ✓10 st · 75 through | ✓10 st · 95 through | |
| ✓8.3 st · 24 throughparry ✓ | ✓9.3 st · 37 throughparry ✓ | ✓10 st · 173 throughparry ✓ | ✓8.3 st · 24 throughparry ✓ | ✓8.3 st · 24 throughparry ✓ | ✓10 st · 63 throughparry ✓ | ✓10 st · 83 throughparry ✓ | |
| ✓7.8 st · 21 throughparry ✓ | ✓8.9 st · 33 throughparry ✓ | ✓10 st · 165 throughparry ✓ | ✓7.8 st · 21 throughparry ✓ | ✓7.8 st · 21 throughparry ✓ | ✓9.8 st · 56 throughparry ✓ | ✓10 st · 75 throughparry ✓ | |
| ✓7.5 st · 20 through | ✓8.6 st · 31 through | ✓10 st · 160 through | ✓7.5 st · 20 through | ✓7.5 st · 20 through | ✓9.6 st · 53 through | ✓10 st · 70 through | |
| ✓6.9 st · 18 throughparry ✓ | ✓8 st · 28 throughparry ✓ | ✓10 st · 150 throughparry ✓ | ✓6.9 st · 18 throughparry ✓ | ✓6.9 st · 18 throughparry ✓ | ✓9.2 st · 47 throughparry ✓ | ✓9.7 st · 63 throughparry ✓ | |
| ✓5.8 st · 14 throughparry ✓ | ✓6.9 st · 22 throughparry ✓ | ✓10 st · 128 throughparry ✓ | ✓5.8 st · 14 throughparry ✓ | ✓5.8 st · 14 throughparry ✓ | ✓8.2 st · 38 throughparry ✓ | ✓8.9 st · 50 throughparry ✓ | |
| ✓5.8 st · 14 throughparry ✓ | ✓6.9 st · 22 throughparry ✓ | ✓10 st · 128 throughparry ✓ | ✓5.8 st · 14 throughparry ✓ | ✓5.8 st · 14 throughparry ✓ | ✓8.2 st · 38 throughparry ✓ | ✓8.9 st · 50 throughparry ✓ | |
| ✓5 st · 12 throughparry ✓ | ✓6 st · 19 throughparry ✓ | ✓9.9 st · 107 throughparry ✓ | ✓5 st · 12 throughparry ✓ | ✓5 st · 12 throughparry ✓ | ✓7.3 st · 31 throughparry ✓ | ✓8 st · 42 throughparry ✓ | |
| ✓4.8 st · 11 through | ✓5.7 st · 17 through | ✓9.7 st · 99 through | ✓4.8 st · 11 through | ✓4.8 st · 11 through | ✓7 st · 29 through | ✓7.7 st · 39 through |
Fader
Max health 325 (best Ashlands food) → a stagger at 130 stagger damage.
- Skill 0: block Black Metal Shield, parry Iron Buckler
- Skill 50: block Silver Shield, parry Bronze Buckler
- Skill 100: block Banded Shield, parry Bronze Buckler
| Shield (skill 50) | Fissure | Bite | Claw left | Claw right | Spin | Flamebreath | Wall of fire | Fissure intense |
|---|---|---|---|---|---|---|---|---|
| ✓10 st · 98 throughparry ✓ | stagger10 st · 188 throughparry stagger | stagger10 st · 178 throughparry stagger | stagger10 st · 178 throughparry stagger | ✓10 st · 118 throughparry ✓ | can't block | ✓10 st · 98 throughparry ✓ | ✓10 st · 98 throughparry ✓ | |
| ✓10 st · 93 through | stagger10 st · 183 through | stagger10 st · 173 through | stagger10 st · 173 through | ✓10 st · 113 through | can't block | ✓10 st · 93 through | ✓10 st · 93 through | |
| ✓10 st · 85 throughparry ✓ | stagger10 st · 175 throughparry ✓ | stagger10 st · 165 throughparry ✓ | stagger10 st · 165 throughparry ✓ | ✓10 st · 105 throughparry ✓ | can't block | ✓10 st · 85 throughparry ✓ | ✓10 st · 85 throughparry ✓ | |
| ✓10 st · 70 throughparry ✓ | stagger10 st · 160 throughparry ✓ | stagger10 st · 150 throughparry ✓ | stagger10 st · 150 throughparry ✓ | ✓10 st · 90 throughparry ✓ | can't block | ✓10 st · 70 throughparry ✓ | ✓10 st · 70 throughparry ✓ | |
| ✓10 st · 65 through | stagger10 st · 155 through | stagger10 st · 145 through | stagger10 st · 145 through | ✓10 st · 85 through | can't block | ✓10 st · 65 through | ✓10 st · 65 through | |
| ✓9.9 st · 53 throughparry ✓ | stagger10 st · 143 throughparry ✓ | stagger10 st · 133 throughparry ✓ | stagger10 st · 133 throughparry ✓ | ✓10 st · 73 throughparry ✓ | can't block | ✓9.9 st · 53 throughparry ✓ | ✓9.9 st · 53 throughparry ✓ | |
| ✓9.6 st · 48 throughparry ✓ | stagger10 st · 135 throughparry ✓ | ✓10 st · 125 throughparry ✓ | ✓10 st · 125 throughparry ✓ | ✓10 st · 65 throughparry ✓ | can't block | ✓9.6 st · 48 throughparry ✓ | ✓9.6 st · 48 throughparry ✓ | |
| ✓9.4 st · 45 through | stagger10 st · 130 through | ✓10 st · 120 through | ✓10 st · 120 through | ✓9.8 st · 61 through | can't block | ✓9.4 st · 45 through | ✓9.4 st · 45 through | |
| ✓8.9 st · 40 throughparry ✓ | ✓10 st · 120 throughparry ✓ | ✓10 st · 110 throughparry ✓ | ✓10 st · 110 throughparry ✓ | ✓9.5 st · 54 throughparry ✓ | can't block | ✓8.9 st · 40 throughparry ✓ | ✓8.9 st · 40 throughparry ✓ | |
| ✓7.8 st · 32 throughparry ✓ | ✓10 st · 98 throughparry ✓ | ✓9.9 st · 89 throughparry ✓ | ✓9.9 st · 89 throughparry ✓ | ✓8.6 st · 44 throughparry ✓ | can't block | ✓7.8 st · 32 throughparry ✓ | ✓7.8 st · 32 throughparry ✓ | |
| ✓7.8 st · 32 throughparry ✓ | ✓10 st · 98 throughparry ✓ | ✓9.9 st · 89 throughparry ✓ | ✓9.9 st · 89 throughparry ✓ | ✓8.6 st · 44 throughparry ✓ | can't block | ✓7.8 st · 32 throughparry ✓ | ✓7.8 st · 32 throughparry ✓ | |
| ✓6.9 st · 27 throughparry ✓ | ✓9.5 st · 82 throughparry ✓ | ✓9.3 st · 74 throughparry ✓ | ✓9.3 st · 74 throughparry ✓ | ✓7.7 st · 36 throughparry ✓ | can't block | ✓6.9 st · 27 throughparry ✓ | ✓6.9 st · 27 throughparry ✓ | |
| ✓6.6 st · 25 through | ✓9.2 st · 76 through | ✓9 st · 69 through | ✓9 st · 69 through | ✓7.3 st · 34 through | can't block | ✓6.6 st · 25 through | ✓6.6 st · 25 through | |
| ✓6.2 st · 23 throughparry ✓ | ✓8.9 st · 70 throughparry ✓ | ✓8.7 st · 63 throughparry ✓ | ✓8.7 st · 63 throughparry ✓ | ✓6.9 st · 31 throughparry ✓ | can't block | ✓6.2 st · 23 throughparry ✓ | ✓6.2 st · 23 throughparry ✓ | |
| ✓5.3 st · 19 through | ✓8 st · 58 through | ✓7.8 st · 53 through | ✓7.8 st · 53 through | ✓6 st · 26 through | can't block | ✓5.3 st · 19 through | ✓5.3 st · 19 through |
Kall Fimbulbringer
Max health 325 (best Deep North food) → a stagger at 130 stagger damage.
- Skill 0: block Flametal Shield, parry Black Metal Shield
- Skill 50: block Carapace Shield, parry Iron Buckler
- Skill 100: block Black Metal Shield, parry Iron Buckler
| Shield (skill 50) | Chain slam l | Chain slam l double | Chain slam r | Chain slam r double | Chain whirl | Chain rush | Double sweep | P chain slam l double | P chain slam r double | Punch aOE | Chain flurry | P chain whirl |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| stagger10 st · 138 throughparry ✓ | stagger10 st · 138 throughparry ✓ | stagger10 st · 138 throughparry ✓ | stagger10 st · 138 throughparry ✓ | stagger10 st · 148 throughparry ✓ | stagger10 st · 228 throughparry stagger | ✓10 st · 128 throughparry ✓ | ✓10 st · 198 throughparry ✓ | ✓10 st · 198 throughparry ✓ | ✓10 st · 128 throughparry ✓ | stagger10 st · 228 throughparry stagger | ✓10 st · 198 throughparry ✓ | |
| stagger10 st · 133 through | stagger10 st · 133 through | stagger10 st · 133 through | stagger10 st · 133 through | ✓10 st · 143 through | stagger10 st · 223 through | ✓10 st · 123 through | ✓10 st · 193 through | ✓10 st · 193 through | ✓10 st · 123 through | stagger10 st · 223 through | ✓10 st · 193 through | |
| ✓10 st · 125 throughparry ✓ | ✓10 st · 125 throughparry ✓ | ✓10 st · 125 throughparry ✓ | ✓10 st · 125 throughparry ✓ | ✓10 st · 135 throughparry ✓ | stagger10 st · 215 throughparry stagger | ✓10 st · 115 throughparry ✓ | ✓10 st · 185 throughparry ✓ | ✓10 st · 185 throughparry ✓ | ✓10 st · 115 throughparry ✓ | stagger10 st · 215 throughparry stagger | ✓10 st · 185 throughparry ✓ | |
| ✓10 st · 110 throughparry ✓ | ✓10 st · 110 throughparry ✓ | ✓10 st · 110 throughparry ✓ | ✓10 st · 110 throughparry ✓ | ✓10 st · 120 throughparry ✓ | stagger10 st · 200 throughparry ✓ | ✓10 st · 100 throughparry ✓ | ✓10 st · 170 throughparry ✓ | ✓10 st · 170 throughparry ✓ | ✓10 st · 100 throughparry ✓ | stagger10 st · 200 throughparry ✓ | ✓10 st · 170 throughparry ✓ | |
| ✓10 st · 105 through | ✓10 st · 105 through | ✓10 st · 105 through | ✓10 st · 105 through | ✓10 st · 115 through | stagger10 st · 195 through | ✓10 st · 95 through | ✓10 st · 165 through | ✓10 st · 165 through | ✓10 st · 95 through | stagger10 st · 195 through | ✓10 st · 165 through | |
| ✓10 st · 93 throughparry ✓ | ✓10 st · 93 throughparry ✓ | ✓10 st · 93 throughparry ✓ | ✓10 st · 93 throughparry ✓ | ✓10 st · 103 throughparry ✓ | stagger10 st · 183 throughparry stagger | ✓10 st · 83 throughparry ✓ | ✓10 st · 153 throughparry ✓ | ✓10 st · 153 throughparry ✓ | ✓10 st · 83 throughparry ✓ | stagger10 st · 183 throughparry stagger | ✓10 st · 153 throughparry ✓ | |
| ✓10 st · 85 throughparry ✓ | ✓10 st · 85 throughparry ✓ | ✓10 st · 85 throughparry ✓ | ✓10 st · 85 throughparry ✓ | ✓10 st · 95 throughparry ✓ | stagger10 st · 175 throughparry stagger | ✓10 st · 75 throughparry ✓ | ✓10 st · 145 throughparry ✓ | ✓10 st · 145 throughparry ✓ | ✓10 st · 75 throughparry ✓ | stagger10 st · 175 throughparry stagger | ✓10 st · 145 throughparry ✓ | |
| ✓10 st · 80 through | ✓10 st · 80 through | ✓10 st · 80 through | ✓10 st · 80 through | ✓10 st · 90 through | stagger10 st · 170 through | ✓10 st · 70 through | ✓10 st · 140 through | ✓10 st · 140 through | ✓10 st · 70 through | stagger10 st · 170 through | ✓10 st · 140 through | |
| ✓9.9 st · 71 throughparry ✓ | ✓9.9 st · 71 throughparry ✓ | ✓9.9 st · 71 throughparry ✓ | ✓9.9 st · 71 throughparry ✓ | ✓10 st · 80 throughparry ✓ | stagger10 st · 160 throughparry ✓ | ✓9.7 st · 63 throughparry ✓ | ✓10 st · 130 throughparry ✓ | ✓10 st · 130 throughparry ✓ | ✓9.7 st · 63 throughparry ✓ | stagger10 st · 160 throughparry ✓ | ✓10 st · 130 throughparry ✓ | |
| ✓9.2 st · 57 throughparry ✓ | ✓9.2 st · 57 throughparry ✓ | ✓9.2 st · 57 throughparry ✓ | ✓9.2 st · 57 throughparry ✓ | ✓9.4 st · 64 throughparry ✓ | stagger10 st · 138 throughparry ✓ | ✓8.9 st · 50 throughparry ✓ | ✓10 st · 108 throughparry ✓ | ✓10 st · 108 throughparry ✓ | ✓8.9 st · 50 throughparry ✓ | stagger10 st · 138 throughparry ✓ | ✓10 st · 108 throughparry ✓ | |
| ✓9.2 st · 57 throughparry ✓ | ✓9.2 st · 57 throughparry ✓ | ✓9.2 st · 57 throughparry ✓ | ✓9.2 st · 57 throughparry ✓ | ✓9.4 st · 64 throughparry ✓ | stagger10 st · 138 throughparry ✓ | ✓8.9 st · 50 throughparry ✓ | ✓10 st · 108 throughparry ✓ | ✓10 st · 108 throughparry ✓ | ✓8.9 st · 50 throughparry ✓ | stagger10 st · 138 throughparry ✓ | ✓10 st · 108 throughparry ✓ | |
| ✓8.3 st · 47 throughparry ✓ | ✓8.3 st · 47 throughparry ✓ | ✓8.3 st · 47 throughparry ✓ | ✓8.3 st · 47 throughparry ✓ | ✓8.6 st · 54 throughparry ✓ | ✓9.9 st · 116 throughparry ✓ | ✓8 st · 42 throughparry ✓ | ✓9.7 st · 90 throughparry ✓ | ✓9.7 st · 90 throughparry ✓ | ✓8 st · 42 throughparry ✓ | ✓9.9 st · 116 throughparry ✓ | ✓9.7 st · 90 throughparry ✓ | |
| ✓8 st · 44 through | ✓8 st · 44 through | ✓8 st · 44 through | ✓8 st · 44 through | ✓8.3 st · 50 through | ✓9.8 st · 108 through | ✓7.7 st · 39 through | ✓9.4 st · 83 through | ✓9.4 st · 83 through | ✓7.7 st · 39 through | ✓9.8 st · 108 through | ✓9.4 st · 83 through | |
| ✓7.6 st · 41 throughparry ✓ | ✓7.6 st · 41 throughparry ✓ | ✓7.6 st · 41 throughparry ✓ | ✓7.6 st · 41 throughparry ✓ | ✓7.9 st · 46 throughparry ✓ | ✓9.6 st · 99 throughparry ✓ | ✓7.3 st · 36 throughparry ✓ | ✓9.1 st · 77 throughparry ✓ | ✓9.1 st · 77 throughparry ✓ | ✓7.3 st · 36 throughparry ✓ | ✓9.6 st · 99 throughparry ✓ | ✓9.1 st · 77 throughparry ✓ | |
| ✓6.6 st · 34 through | ✓6.6 st · 34 through | ✓6.6 st · 34 through | ✓6.6 st · 34 through | ✓6.9 st · 38 through | ✓8.8 st · 82 through | ✓6.3 st · 30 through | ✓8.2 st · 64 through | ✓8.2 st · 64 through | ✓6.3 st · 30 through | ✓8.8 st · 82 through | ✓8.2 st · 64 through |
Formula
Block power = (base + per level × (level − 1)) × (1 + blocking skill ÷ 100 × 0.5); a parry (within 0.25 s) multiplies it by the shield's parry bonus.
The shield's resistances apply to the hit, then ApplyArmor(blockable damage, block power); stamina = 10 × blocked ÷ block power (a parry costs nothing).
Stagger when what gets through of blunt + slash + pierce + lightning ≥ 40% of max health. A hit marked unblockable skips the shield.
Humanoid.BlockAttack, Character.AddStaggerDamage, ItemData.GetBlockPower and HitData in the code of Valheim 1.0.16; which hits are blockable from each attack's item or area-effect prefab.
Assumptions
- One hit at a time: stagger damage also builds up over several hits and wears off over time.
- The boss's hardest version of each attack as stored in the files; multi-phase bosses list every phase's attacks.
- Max health = 25 + the best health trio of the boss's biome at full value.
- Any single hit, with your own numbers: block calculator.