Acquisition Drop restricted It can be obtained by engraving an Uncut Skill Gem.Metadata Item class: Skill Gem Metadata ID: Metadata/Items/Gem/SkillGemBloodhoundsMark
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.
Pin IPin ISupport, Physical Category: Pin Tier: 1Support Requirements: +5 DexSupports any skill that Hits enemies, allowing its Physical damage to Pin enemies but making it unable to Stun.Modifiers to Stun Buildup for Supported Skills instead apply to Pin Buildup Supported Skills cannot cause Stun Buildup Physical Damage from Supported Skill is PinningPlace 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
Life Leech ILife Leech ISupport, Attack, Physical Category: Life Leech Tier: 2Support Requirements: +5 StrSupports Attacks, causing their Physical damage to Leech Life.Leech 12% of Physical Attack Damage from Supported Skills as LifePlace 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.
Mark for DeathMark for DeathSupport, Mark, Physical Category: Single Out Tier: 2 Cost & Reservation Multiplier: 120%Support Requirements: +5 DexSupports Mark Skills. Enemies affected by Supported Marks will have their Armour Broken by Physical Damage they take.Enemies Marked by Supported Skills have Armour Broken equal to 10% of Physical Damage takenPlace 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
Close Combat IClose Combat ISupport, Attack Category: Close Combat Tier: 3 Cost & Reservation Multiplier: 120%Support Requirements: +5 DexSupports Attacks, causing them to deal more damage to enemies based on how close they are to you.Supported Skills deal 20% more Attack Damage to enemies within 1 metre of you, scaling down to no bonus at 3.5 metres or furtherPlace 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.
RuptureRuptureSupport, Physical Category: Rupture Tier: 3Support Requirements: +5 StrSupports skills that Hit Enemies. Supported skills AggravateBleeding on HittingHeavily Stunned Enemies.Supported Skills AggravateBleeding on HittingHeavy Stunned EnemiesPlace 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
Execute IIExecute IISupport Category: Execute Tier: 4 Cost & Reservation Multiplier: 110%Support Requirements: +5 StrSupports any skill that Hits enemies, causing it to deal more damage against enemies on Low Life.Supported Skills deal 50% more Damage with Hits against Enemies that are on Low LifePlace 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
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
Bloodhound's Mark has restrictions on where or how it can drop.