Bone Blast

Bone BlastBarrageable, Spell, AoE, Physical, Duration
Level: (1-20)
Cast Time: 0.75 sec
Critical Strike Chance: 14.00%Conjures 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 (5–192) to (8–287) Physical Damage
20% chance to inflict Bleeding on Hit
Ritual radius is 1 metre
Ritual duration is 1 second

Additional Effects From 1-20% Quality:
Ritual radius is (0–0.4) metresSkills can be managed in the Skills Panel.

Acquisition
Drop disabled
Granted as an inherent weapon skill from a Bone WandBone WandWandRequires Level 2Grants Skill: Level (1-20) Bone Blast.Metadata
Item class: Skill Gem
Metadata ID: Metadata/Items/Gem/SkillGemBoneBlast

Bone Blast is a AoE physical spell skill that creates a ritual circle at a target location. After a short duration, the ritual activates, spawning a burst of bones from the ground dealing damage to all enemies in the circle.

It is granted as an inherent weapon skill from a Bone WandBone WandWandRequires Level 2Grants Skill: Level (1-20) Bone Blast.

Gem level progression

Level			Physical Damage
1	0	0	5 to 8
2	3	9	7 to 11
3	6	14	10 to 16
4	10	21	14 to 21
5	14	28	18 to 27
6	18	35	23 to 34
7	22	41	28 to 43
8	26	48	35 to 52
9	31	57	43 to 64
10	36	65	52 to 78
11	41	74	61 to 91
12	46	82	71 to 107
13	52	92	83 to 124
14	58	103	96 to 145
15	64	113	112 to 167
16	66	116	129 to 193
17	72	126	149 to 223
18	78	137	171 to 257
19	84	147	197 to 295
20	90	157	226 to 339

Recommended support gems

The following support gems are recommendations by GGG as listed in-game, and do not necessarily reflect optimal combinations or the views of the wiki.

Gem tier	Support gems
I
II	Bone ShrapnelBone ShrapnelSupport, AoE, Trigger, Physical Tier: 2Support Requirements: +5 IntSupports Skills which Hit Enemies. Supported Skills trigger Bone Shrapnel explosions when killing Pinned Enemies.Supported Skills cannot cause Pin buildup Supported Skills trigger Bone Shrapnel Explosions on killing Pinned EnemiesPlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple copies of the same Support Gem socketed at the same time.	Spell EchoSpell EchoSupport, Spell, AoE Category: Spell Echo Tier: 2 Cost & Reservation Multiplier: 150%Support Requirements: +5 IntSupports Spells that affect an area around you or a target location. Supported Spells echo, causing their effects to happen again after a short delay. Cannot support Channelling skills Remote skills or skills which are Triggered.Supported Spells Echo once Supported Skills have 30% less Cast Speed Echoes from Supported Spells have 40% increased Area of EffectPlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.
III	Coming Soon	ExtractionExtractionSupport, Spell Category: Extraction Tier: 3Support Requirements: +5 IntSupports Spell Skills which cause Damaging Hits. Using supported Spells will cause you to Sacrifice a portion of your Life on use, gaining extra Chaos Damage in exchange. Does not support Persistent Skills, Minion Skills, or Triggered Skills.Supported Skills Gain 35% of Damage as extra Chaos Damage Supported Skills Sacrifice 10% of Life on usePlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.	HeftHeftSupport, Physical Category: Heft Tier: 5 Cost & Reservation Multiplier: 120%Support Requirements: +5 StrSupports Skills which deal Damage, increasing the maximum Physical Damage of their Hits.Supported Skills deal 30% more Maximum Physical Hit DamagePlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.
IV
V

Item acquisition

Bone Blast is drop disabled.

Alternate skill effects

Bone Blast has the following alternate skill effects:

Item	Description

Version history

Version	Changes
0.3.0	The following skills found as inherent skills on Wands and Staves now deal approximately 12% more Damage from skill level 11 onwards: Bone Blast, Chaos Bolt, Decompose, Firebolt, Freezing Shards, Lightning Bolt, Power Siphon, and Solar Orb.
0.2.1	Added "Barrageable" gem tag.[Undocumented]
0.2.0	Many Skills have had their base damage and/or damage growth per level rebalanced. Most of these changes are not specifically mentioned below as the changes are too widespread. Bone Blast now has a 40% chance to inflict Bleeding on Hit (previously 20%).
0.1.0e	Increased the damage growth per level on Unearth (non-Minion component), Bonestorm, Bone Cage, Bone Blast (Wand Skill) and Power Siphon (Wand Skill). Results in approximately 50% more damage at Gem Level 25.
0.1.0	Introduced to the game.