Bone Blast

Bone BlastSpell, AoE, Physical, Duration
Level: (1-20)
Cost: 0 Mana
Cast Time: 0.75 sec
Critical Strike Chance: 14.00%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 (5-226) to (8-339) Physical Damage
40% 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 (0.02-0.4) 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	Brutality IBrutality ISupport, Physical Category: Brutality Tier: 1 Cost & Reservation Multiplier: 120%Support Requirements: +5 StrSupports any skill that deals damage, boosting its Physical damage at the expense of all other Damage Types.Supported Skills deal 25% more Physical Damage Supported Skills deal no Chaos Damage Supported Skills deal no Elemental 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.	Compressed Duration ICompressed Duration ISupport, Duration Category: Compressed Duration Tier: 1Support Requirements: +5 StrSupports any skill that has a duration making that duration shorter.Supported Skills have 30% less Skill Effect DurationPlace 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.	Rapid Casting IRapid Casting ISupport, Spell Category: Rapid Casting Tier: 1Support Requirements: +5 IntSupports Spells, causing them to cast faster.Supported Skills have 15% increased Cast SpeedPlace 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.
II	Armour Break IArmour Break ISupport, Physical Category: Armour Break Tier: 2Support Requirements: +5 StrSupports Skills that Hit Enemies, causing those Hits to Break Armour based on a portion of Physical Damage dealt.Break Armour equal to 15% of Physical Damage dealt by Supported SkillPlace 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.	Bounty IBounty ISupport Category: Bounty Tier: 2Support Requirements: +5 DexSupports any Skill that Hits Enemies, causing Enemies it kills to grant more Flask and Charm charges.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 ChargesPlace 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.	Brutality IIBrutality IISupport, Physical Category: Brutality Tier: 2 Cost & Reservation Multiplier: 120%Support Requirements: +5 StrSupports any skill that deals damage, boosting its Physical damage at the expense of all other Damage Types.Supported Skills deal 30% more Physical Damage Supported Skills deal no Chaos Damage Supported Skills deal no Elemental 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.
III	Bleed IIBleed IISupport, Physical Category: Bleed Tier: 3Support Requirements: +5 StrSupports any skill that Hits enemies, giving it a chance to inflict Bleeding.Supported Skills have 75% chance to inflict BleedingPlace 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.	Compressed Duration IICompressed Duration IISupport, Duration Category: Compressed Duration Tier: 3Support Requirements: +5 StrSupports any skill that has a duration making that duration shorter.Supported Skills have 35% less Skill Effect DurationPlace 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.	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.
IV	Bounty IIBounty IISupport Category: Bounty Tier: 4Support Requirements: +5 DexSupports any Skill that Hits Enemies, causing Enemies it kills to grant more Flask and Charm charges.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 ChargesPlace 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.	Burning InscriptionBurning InscriptionSupport, AoE, Trigger, Fire Tier: 3 Cost & Reservation Multiplier: 110%Support Requirements: +5 IntSupports any Skill which creates Runic Inscriptions when Cast, causing those Runic Inscriptions to trigger Burning Inscription when they expire. Burning Inscription is a Spell which creates Ignited Ground based off of your Maximum Mana.Burning Inscription Create Ignited Ground Igniting Enemies based on a percentage of your Maximum Mana. 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 secondsPlace 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.	Rapid Casting IIRapid Casting IISupport, Spell Category: Rapid Casting Tier: 4Support Requirements: +5 IntSupports Spells, causing them to cast faster.Supported Skills have 20% increased Cast SpeedPlace 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.
V	Bleed IIIBleed IIISupport, Physical Category: Bleed Tier: 5Support Requirements: +5 StrSupports any skill that Hits enemies, causing it to inflict Bleeding.Supported Skills have 100% chance to inflict BleedingPlace 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.	Brutality IIIBrutality IIISupport, Physical Category: Brutality Tier: 5 Cost & Reservation Multiplier: 120%Support Requirements: +5 StrSupports any skill that deals damage, boosting its Physical damage at the expense of all other Damage Types, as well as giving Hits from that skill a chance to ignore Physical Damage reduction.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 reductionPlace 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.	Physical MasteryPhysical MasterySupport, Physical Category: Mastery Tier: 5Support Requirements: +5 IntSupports Physical skills, granting them an additional level. Does not support skills which do not have levels.+1 to Level of Supported Physical SkillsPlace 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.

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 base damage scaling of all player spell and secondary damage skills has been tweaked to scale better in the late game. 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. Removed "Barrageable" gem tag. [Undocumented]
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.