PoE2 gem database
Engraves an available skill at level 17. Skills requiring tier 17 or lower are shown with their exact level 17 values.
33 available skills at level 17
Tier 1, level 17Armour Piercing RoundsAttack, Ammunition, Projectile, PhysicalLoad your Crossbow with a clip of bolts that can be fired rapidly and Break enemy Armour. Using this Skill again reloads the clip.
Tier 1, level 17Explosive GrenadeAttack, AoE, Projectile, Grenade, FireFire a bouncing Grenade that unleashes a devastating fiery blast when its fuse expires.
Tier 1, level 17Fragmentation RoundsAttack, AoE, Ammunition, Projectile, PayoffLoad your Crossbow with Piercing bolts that fragment in flight. Bolts that hit a Frozen enemy Consume the Freeze and cause an explosion of shrapnel. Bolts that hit an Ice Crystal cause it to explode. These fragments can Merge.
Tier 1, level 17Permafrost BoltsAttack, AoE, Ammunition, Projectile, ColdLoad your Crossbow with icy bolts that fragment in flight, damaging enemies on hit and in a small cone behind their final target. The icy coating on the bolts makes them extremely potent at Freezing enemies. These fragments can Merge.
Tier 3, level 17Flash GrenadeAttack, AoE, Projectile, GrenadeFire a bouncing Grenade that unleashes a Blinding, Stunning explosion when its fuse expires.
Tier 3, level 17High Velocity RoundsAttack, Ammunition, Projectile, Physical, DurationLoad your Crossbow with Piercing bolts that apply Riven Armour to enemies with Fully Broken Armour, causing any Hits against those enemies to deal extra damage.
Tier 3, level 17Incendiary ShotAttack, AoE, Ammunition, Projectile, FireLoad your Crossbow with flaming bolts that fragment in flight, damaging and Igniting enemies on hit and in a small cone behind their final target. These fragments can Merge.
Tier 4, level 17AttritionBuff, PersistentWhile active, causes you to deal more Hit damage to Rare and Unique enemies the longer you've been fighting them, and gain Culling Strike against them once you've been fighting them for long enough.
Tier 4, level 17War BannerBanner, Buff, Persistent, AoE, AuraWhile active, Attacking enemies builds Glory. When you have maximum Glory, you can place an inspiring Banner for a duration with an Aura that grants you and nearby Allies Attack damage, Attack speed and Accuracy.
Tier 4, level 17Herald of ThunderBuff, Attack, Persistent, AoE, LightningWhile active, killing Shocked enemies with a non-Herald Attack Hit will cause subsequent Attack Hits to release lightning bolts which deals Attack damage to all surrounding enemies.
Tier 5, level 17Galvanic ShardsAttack, Ammunition, Projectile, Lightning, ChainingLoad your Crossbow with charged bolts that fragment in flight, releasing Chaining Lightning beams when they Hit enemies. These fragments can Merge.
Tier 5, level 17Gas GrenadeAttack, AoE, Projectile, Grenade, FireFire a bouncing Grenade that causes a burst of Poison gas when its fuse expires, damaging enemies and leaving behind a growing Poison cloud. Burning effects or Detonator skills will cause the cloud to explode in a fiery blast.
Tier 5, level 17Ice ShardsAttack, AoE, Ammunition, Projectile, SustainedLoad your Crossbow with a clip of icy bolts that rapidly fire at the ground, leaving a shard of ice at the impact location that arms after a duration. After arming, the ice shards explode when enemies step on them, dealing more damage the longer they have been armed, up to a maximum. Using this Skill again reloads the clip.
Tier 5, level 17Rapid ShotAttack, Ammunition, Projectile, FireLoad your Crossbow with a large clip of heated bolts. Heat builds up on your Crossbow as you fire them, and reaching maximum Heat will prevent you from firing or reloading these bolts for a short time. However, other Skills can Consume Heat for extra benefits. Using this Skill again reloads the clip.
Tier 7, level 17Explosive ShotAttack, AoE, Ammunition, Projectile, FireLoad your Crossbow with flaming bolts that explode on impact. The explosion will cause any Grenades in its area of effect to also explode.
Tier 7, level 17Glacial BoltAttack, AoE, Ammunition, Projectile, ColdLoad your Crossbow with icy bolts that create two walls of Ice Crystals at the end of their flight.
Tier 7, level 17Artillery BallistaAttack, Totem, AoE, Projectile, SustainedDeploy a Ballista Totem that rains down a salvo of Pinning, Maiming bolts.
Tier 7, level 17Voltaic GrenadeAttack, AoE, Projectile, Grenade, LightningFire a bouncing Grenade that discharges an Electrocuting Lightning blast when its fuse expires, causing all Lightning Hits against enemies to contribute to Electrocution buildup for a duration.
Tier 8, level 17Defiance BannerBanner, Buff, Persistent, AoE, AuraWhile active, Attacking enemies builds Glory. When you have maximum Glory, you can place an inspiring Banner for a duration with an Aura that grants you and nearby Allies Armour, Evasion and movement speed.
Tier 8, level 17Overwhelming PresenceBuff, Persistent, AuraWhile active, emits an Aura that makes enemies in your Presence easier to Stun and inflict Elemental Ailments upon.
Tier 8, level 17Shard ScavengerBuff, Persistent, Physical, Lightning, ColdWhile active, Consuming Freeze, Shock, Ignite, or Fully Broken Armour on an enemy reloads your Crossbow, restores one cooldown use for your Grenades and grants a Buff causing Crossbow Attacks to not consume bolts for a duration. This can only occur once every few seconds.
Tier 9, level 17Oil GrenadeAttack, AoE, Projectile, Grenade, FireFire a bouncing Grenade that bursts in a spray of Oil when the fuse expires or when it impacts an Enemy, dealing minimal damage but covering the ground and nearby enemies in Oil. Oil created this way can be Ignited by Detonator Skills or Ignited Ground.
Tier 9, level 17Stormblast BoltsAttack, AoE, Ammunition, Projectile, LightningLoad your Crossbow with charged bolts that land around the target location and explode if hit by a Detonator Skill. Using this Skill again reloads the clip.
Tier 9, level 17Siege BallistaAttack, Totem, AoE, Projectile, SustainedDeploy a Ballista Totem that fires bolts skyward, to explode a short time after landing.
Tier 11, level 17Emergency ReloadBuff, DurationInstantly reload all your Crossbow Ammunition clips and Empower each clip's Ammunition to deal more damage for a duration.
Tier 11, level 17Hailstorm RoundsAttack, AoE, Ammunition, Projectile, SustainedPassively generate bolts of ice at a frequency equal to reload time, up to a cap. Activate to Load the accumulated bolts into your Crossbow. All loaded bolts are fired at once, causing them to rain down over the target area.
Tier 11, level 17Mortar CannonTotem, Grenade, Duration, MetaRaise a cannon Ballista Totem which uses socketed Grenade Skills, with significantly improved Cooldown Recovery Rate.
Tier 11, level 17Shockburst RoundsAttack, AoE, Ammunition, Projectile, LightningLoad your Crossbow with a clip of charged bolts which release damaging pulses upon Hitting an enemy affected by a Lightning Ailment. Using this Skill again reloads the clip.
Tier 13, level 17Cluster GrenadeAttack, AoE, Projectile, Grenade, FireFire a bouncing Grenade that explodes when its fuse expires, throwing out a ring of mini Grenades that explode when they come to a stop.
Tier 13, level 17Plasma BlastAttack, AoE, Ammunition, Projectile, LightningLoad your Crossbow with unstable bolts that require a lengthy charging period to fire but deal devastating damage, Pierce through enemies, and explode upon hitting terrain. Additional Projectiles are fired in a spread, unlike other Crossbow Skills.
Tier 13, level 17Siege CascadeAttack, AoE, Ammunition, Projectile, SustainedLoad your Crossbow with enemy-seeking payloads which are fired into the air, dropping a bolt near every enemy in the target area. These bolts lodge in the ground and explode after a short delay.
Tier 14, level 17Charge RegulationBuff, PersistentWhile active, you gain powerful Buffs based on your active Charges. However, maintaining the Buff Consumes Charges every few seconds.
Tier 14, level 17Dread BannerBanner, Buff, Persistent, AoE, AuraWhile active, Attacking enemies builds Glory. When you have maximum Glory, you can place an inspiring Banner for a duration with an Aura that grants you and nearby Allies Elemental Ailment Threshold, Maximum Elemental Resistances and Flask charges.
The eight current engravable category rosters were checked 2026-07-27. Each card uses the selected skill's exact level table. Current detail pages independently confirm 256 of 257 tier placements; Skeletal Sniper's detail page does not publish its tier.
Engrave Skill, Support, and Spirit Gems, upgrade existing gems without choosing the wrong level, and fix common socket, compatibility, Attribute, and Spirit problems.
Increase a Skill Gem from two to five Support sockets, understand item-granted and passive-granted skill breakpoints, and decide whether to risk corruption for a sixth socket.
Use Gemcutter's Prisms efficiently, read the exact Quality effect for each Skill or Spirit Gem, and understand Advanced Thaumaturgy, temporary bonuses, and the 23% corruption cap.
Claim all 100 permanent campaign Spirit, compare equipment and passive sources, calculate reservation, and fix Persistent Skills that will not stay enabled.
Equip two weapon sets, assign Skills for automatic swapping, allocate weapon-specific passives correctly, and avoid Spirit or requirement failures after a swap.