Bone Blast
Spell
Build Pin
AoE, Physical, Duration, Repeatable
Level:
Quality: %
Requires: Level 90, 157 Int
Conjure a circle of ritual inscriptions that last for a short duration. When the duration ends, spikes of bone erupt from enemies in the area, damaging them and potentially causing Bleeding.
Deals 226 to 339 Physical Damage
40% chance to inflict Bleeding on Hit
Ritual radius is 1 metre
Ritual duration is 1 second

Additional Effects From Quality:
Ritual radius is (0—0.4) metres
Skills can be managed in the Skills Panel.
Scaling 40 levels

Stat and cost values at each gem level. Level 20 is the highest a skill gem reaches without external modifiers.

Level Requires Level Int Deals _ to _ Physical Damage
40 90 157 3951 / 5927
39 90 157 3394 / 5091
38 90 157 2920 / 4379
37 90 157 2514 / 3772
36 90 157 2168 / 3252
35 90 157 1872 / 2807
34 90 157 1617 / 2426
33 90 157 1399 / 2099
32 90 157 1212 / 1818
31 90 157 1050 / 1576
30 90 157 911 / 1367
29 90 157 791 / 1187
28 90 157 688 / 1031
27 90 157 598 / 897
26 90 157 520 / 780
25 90 157 453 / 679
24 90 157 394 / 591
23 90 157 343 / 515
22 90 157 299 / 448
21 90 157 260 / 390
20 90 157 226 / 339
19 84 147 197 / 295
18 78 137 171 / 257
17 72 126 149 / 223
16 66 116 129 / 193
15 64 113 112 / 167
14 58 103 96 / 145
13 52 92 83 / 124
12 46 82 71 / 107
11 41 74 61 / 91
10 36 65 52 / 78
9 31 57 43 / 64
8 26 48 35 / 52
7 22 41 28 / 43
6 18 35 23 / 34
5 14 28 18 / 27
4 10 21 14 / 21
3 6 14 10 / 16
2 3 9 7 / 11
1 0 4 5 / 8
Recommended Supports 15

Support gems suggested for this skill, grouped by the uncut support level needed to create them — hover any card for its full tooltip.

I
Compressed Duration I
Compressed Duration I
Support · Duration
Requires: Level (1—90), (4—157) Str
Supported Skills have 30% less Skill Effect Duration
Rapid Casting I
Rapid Casting I
Support · Spell
Requires: Level (1—90), (4—157) Int
Supported Skills have 15% increased Cast Speed
Brutality I
Brutality I
Support · Physical
Requires: Level (1—90), (4—157) Str
Supported Skills deal 25% more Physical Damage
Supported Skills deal no Chaos Damage
Supported Skills deal no Elemental Damage
II
Brutality II
Brutality II
Support · Physical
Requires: Level (1—90), (4—157) Str
Supported Skills deal 30% more Physical Damage
Supported Skills deal no Chaos Damage
Supported Skills deal no Elemental Damage
Bounty I
Bounty I
Support
Requires: Level (1—90), (4—157) Dex
Enemies killed by Hits from Supported Skills grant 50% more Charm charges
Enemies killed by Hits from Supported Skills grant 50% more Life Flask Charges
Enemies killed by Hits from Supported Skills grant 50% more Mana Flask Charges
Armour Break I
Armour Break I
Support · Physical
Requires: Level (1—90), (4—157) Str
Break Armour equal to 15% of Physical Damage dealt by Supported Skill
III
Compressed Duration II
Compressed Duration II
Support · Duration
Requires: Level (1—90), (4—157) Str
Supported Skills have 35% less Skill Effect Duration
Extraction
Extraction
Support · Spell, Chaos
Requires: Level (1—90), (4—157) Int
Supported Skills Gain 35% of Damage as extra Chaos Damage
Supported Skills Sacrifice 10% of Life on use
Bleed II
Bleed II
Support · Physical
Requires: Level (1—90), (4—157) Str
Supported Skills have 75% chance to inflict Bleeding
IV
Burning Inscription
Burning Inscription
Support · AoE, Trigger, Fire
Requires: Level (1—90), (4—157) Int
Create Ignited Ground, Igniting enemies as though dealing Fire Damage equal to 20% of your Maximum Mana
Ignited Ground radius is 2 metres
Ignited Ground duration is 4 seconds
Rapid Casting II
Rapid Casting II
Support · Spell
Requires: Level (1—90), (4—157) Int
Supported Skills have 20% increased Cast Speed
Bounty II
Bounty II
Support
Requires: Level (1—90), (4—157) Dex
Enemies killed by Hits from Supported Skills grant 100% more Charm charges
Enemies killed by Hits from Supported Skills grant 100% more Life Flask Charges
Enemies killed by Hits from Supported Skills grant 100% more Mana Flask Charges
V
Bleed III
Bleed III
Support · Physical
Requires: Level (1—90), (4—157) Str
Supported Skills have 100% chance to inflict Bleeding
Brutality III
Brutality III
Support · Physical
Requires: Level (1—90), (4—157) Str
Supported Skills deal 30% more Physical Damage
Supported Skills deal no Chaos Damage
Supported Skills deal no Elemental Damage
Hits with Supported Skills have 20% chance to ignore Enemy Physical Damage reduction
Physical Mastery
Physical Mastery
Support · Physical
Requires: Level (1—90), (4—157) Int
+1 to Level of Supported Physical Skills
Granted by 1

Items and passives that grant this skill — hover any card for its full tooltip.

Sanguine Diviner
Sanguine Diviner
Requires: Level 2
Grants Skill: Level (1-20) Bone Blast
(80-100)% increased Spell Damage
Gain (10-15) Life per enemy killed
25% chance to inflict Bleeding on Hit
25% of Spell Mana Cost Converted to Life Cost