Best Support Gems for Cluster Grenade

These help only the part of Cluster Grenade's damage they name: physical, hits, area, damage over time, or an ailment it has to inflict first.

1. #1
   Concentrated Area

   Supported Skills deal 30% more Area Damage

   also: Supported Skills have 50% less Area of Effect
   ×1.3

   area damage

   cost ×1
2. #2
   Swift Affliction I

   Supported Skills deal 30% more non-Ailment Damage over Time

   also: 20% less Duration of Supported Skills and Damaging Ailments they inflict
   ×1.3

   non-ailment damage over time

   cost ×1
3. #3
   Swift Affliction II

   Supported Skills deal 30% more non-Ailment Damage over Time

   also: 10% less Duration of Supported Skills and Damaging Ailments they inflict
   ×1.3

   non-ailment damage over time

   cost ×1
4. #4
   Brutality II

   Supported Skills deal 30% more Physical Damage
   ×1.3

   physical damage

   cost ×1.2
5. #5
   Brutality III

   Supported Skills deal 30% more Physical Damage

   also: Hits with Supported Skills have 20% chance to ignore Enemy Physical Damage reduction
   ×1.3

   physical damage

   cost ×1.2
6. #6
   Heft

   Supported Skills deal 30% more Maximum Physical Hit Damage
   ×1.3

   maximum physical hit damage

   cost ×1.2
7. #7
   Elemental Focus

   Supported Skills deal 25% more Elemental Damage
   ×1.25

   elemental damage

   cost ×1
8. #8
   Elemental Armament II

   Supported Skills deal 25% more Elemental Attack damage
   ×1.25

   elemental attack damage

   cost ×1.2
9. #9
   Deadly Poison II

   Supported Skills deal 30% less Damage with Hits

   100% more Magnitude of Poison inflicted with Supported Skills
   ×2

   magnitude of poison

   cost ×1
10. #10
    Deep Cuts II

    100% more Magnitude of Bleeding inflicted with Supported Skills

    Supported Skills deal 30% less Damage with Hits
    ×2

    magnitude of bleeding

    cost ×1
11. #11
    Searing Flame II

    Supported Skills deal 30% less Damage with Hits

    100% more Magnitude of Ignite inflicted with Supported Skills
    ×2

    magnitude of ignite

    cost ×1

1. #1
   Arakaali's Lust

   only sometimes: Supported Skills deal 8% more Damage with Hits for each Poison on the Enemy, up to 40%
   ×1

   conditional

   cost ×1
2. #2
   Bleed IV

   only sometimes: Supported Skills deal 30% more Melee Physical Damage against Bleeding enemies

   also: Hits from Supported Skills inflict Incision
   ×1

   conditional

   cost ×1
3. #3
   Cadence

   only sometimes: Supported Skills have 8% more Attack speed for each time they've been used Recently

   also: Supported Skills are unusable for 10 seconds after being used 6 or more times within four seconds
   ×1

   conditional

   cost ×1
4. #4
   Concoct I

   only sometimes: Supported Skills consume 20% of your maximum Life Flask charges on use Supported Skills have 3% more Magnitude of Bleeding they inflict per Life Flask charge consumed
   ×1

   conditional

   cost ×1
5. #5
   Concoct II

   only sometimes: Supported Skills consume 30% of your maximum Life Flask charges on use Supported Skills have 3% more Magnitude of Bleeding they inflict per Life Flask charge consumed
   ×1

   conditional

   cost ×1
6. #6
   Derange

   only sometimes: Supported Skills deal 8% more non-Ailment Damage over time per 100 Intelligence
   ×1

   conditional

   cost ×1
7. #7
   Ferocity

   only sometimes: Supported Skills will consume a Frenzy Charge on use if possible Supported Skills have 40% more Skill Speed when consuming Frenzy Charges
   ×1

   conditional

   cost ×1
8. #8
   Frostfire

   only sometimes: 50% more Magnitude of Ignite inflicted on Frozen targets with Supported Skills

   only sometimes: 25% more Magnitude of Ignite inflicted on Frozen Unique enemies with Supported Skills
   ×1

   conditional

   cost ×1
9. #9
   Minion Pact I

   only sometimes: Supported Skills remove 100% of your maximum Life from a nearby Minion on use to deal 30% more damage
   ×1

   conditional

   cost ×1
10. #10
    Minion Pact II

    only sometimes: Supported Skills remove 150% of your maximum Life from a nearby Minion on use to deal 35% more damage
    ×1

    conditional

    cost ×1
11. #11
    Mórrigan's Insight

    only sometimes: Supported Skills Consume Freeze on enemies to deal 50% more Damage
    ×1

    conditional

    cost ×1
12. #12
    Profanity I

    only sometimes: Supported Skills deal 30% more Chaos Damage if consuming a Corpse

    also: Supported Skills consume a Corpse within 5 metres on use, if possible
    ×1

    conditional

    cost ×1
13. #13
    Profanity II

    only sometimes: Supported Skills deal 5% more Chaos Damage for each Corpse consumed this way

    also: Supported Skills consume up to 10 Corpses within 5 metres on use, if possible
    ×1

    conditional

    cost ×1
14. #14
    Rageforged I

    only sometimes: Supported Skills spend 10 Rage if possible to deal 35% more Damage
    ×1

    conditional

    cost ×1
15. #15
    Rageforged II

    only sometimes: Supported Skills spend 10 Rage if possible to deal 35% more Damage

    also: Supported Skills have 30% chance to gain the benefits of this Support without spending additional Rage
    ×1

    conditional

    cost ×1
16. #16
    Rigwald's Ferocity

    only sometimes: Supported Skills deal 15% less Damage if used in Weapon Set I

    only sometimes: Supported Skills deal 30% more Damage if used in Weapon Set II

    also: Supported Skills have 30% increased Attack Speed if used in Weapon Set I · Supported Skills have 10% reduced Attack Speed if used in Weapon Set II
    ×1

    conditional

    cost ×1
17. #17
    Stoicism I

    only sometimes: Supported Skills gain 1% more Damage every second, up to 20% This Damage Bonus resets if you Dodge Roll or use a Travel Skill
    ×1

    conditional

    cost ×1
18. #18
    Stoicism II

    only sometimes: Supported Skills gain 2% more Damage every second, up to 20% This Damage Bonus resets if you Dodge Roll or use a Travel Skill
    ×1

    conditional

    cost ×1
19. #19
    Swift Affliction III

    only sometimes: Supported Skills deal 50% more non-Ailment damage over time if their duration is less than one second

    also: 30% less Duration of Supported Skills and Damaging Ailments they inflict
    ×1

    conditional

    cost ×1
20. #20
    Uhtred's Constellation

    only sometimes: Supported Skills deal 8% more Damage for each different Skill with a Cooldown you have used in the last 8 seconds

    also: Supported Skills have 50% less Cooldown Recovery Rate · Supported Non-Instant Skills have +2 Cooldown Uses
    ×1

    conditional

    cost ×1
21. #21
    Uhtred's Rite

    only sometimes: Supported Skills deal 20% more damage during effect of any Life Flask

    also: Supported Skills grant Overflowing Chalice when used, for 1 second per 1 second of their cooldown · Supported Skills have 20% increased Mana Cost Efficiency during effect of any Mana Flask
    ×1

    conditional

    cost ×1
22. #22
    Vorana's Siege

    only sometimes: Supported Skills deal 20% more Damage with Hits against Isolated targets

    also: Supported Skills have 35% increased Area of Effect
    ×1

    conditional

    cost ×1
23. #23
    Dauntless

    only sometimes: Supported Skills deal 3% more Damage with Hits for each quarter second you have been stationary, up to 45% This Damage bonus resets when you move

    also: Supported Skills cannot be used unless you have been stationary for 1.5 seconds This timer resets when you move
    ×1

    conditional

    cost ×1.1
24. #24
    Execute I

    only sometimes: Supported Skills deal 40% more Damage with Hits against Enemies that are on Low Life
    ×1

    conditional

    cost ×1.1
25. #25
    Execute II

    only sometimes: Supported Skills deal 50% more Damage with Hits against Enemies that are on Low Life
    ×1

    conditional

    cost ×1.1
26. #26
    Execute III

    only sometimes: Supported Skills deal 30% more Damage with Hits while you are on Low Life

    only sometimes: Supported Skills deal 30% more Damage with Hits against Enemies that are on Low Life
    ×1

    conditional

    cost ×1.1
27. #27
    Incision

    only sometimes: 3% more Magnitude of Bleeding inflicted with Supported Skills per Incision consumed Recently, up to 30%

    also: Hits from Supported Skills inflict Incision
    ×1

    conditional

    cost ×1.15
28. #28
    Admixture

    only sometimes: 20% more Magnitude of Bleeding inflicted by Supported Skills against Poisoned Enemies

    only sometimes: 20% more Magnitude of Poison inflicted by Supported Skills against Bleeding Enemies
    ×1

    conditional

    cost ×1.2
29. #29
    Close Combat I

    only sometimes: Supported Skills deal 20% more Attack Damage to enemies within 1 metre of you, scaling down to no bonus at 3.5 metres or further
    ×1

    conditional

    cost ×1.2
30. #30
    Close Combat II

    only sometimes: Supported Skills deal 30% more Attack Damage to enemies within 1 metre of you, scaling down to no bonus at 3.5 metres or further
    ×1

    conditional

    cost ×1.2
31. #31
    Elemental Armament III

    only sometimes: Supported Skills deal 12% more Attack Damage for each Elemental Ailment on Enemies they Hit
    ×1

    conditional

    cost ×1.2
32. #32
    Longshot I

    only sometimes: Supported Skills deal 25% more Attack Damage to enemies further than 7 metres from you, scaling down to no bonus at 3.5 metres or closer
    ×1

    conditional

    cost ×1.2
33. #33
    Longshot II

    only sometimes: Supported Skills deal 35% more Attack Damage to enemies further than 7 metres from you, scaling down to no bonus at 3.5 metres or closer
    ×1

    conditional

    cost ×1.2
34. #34
    Momentum

    only sometimes: After moving at least 2 metres during a single use of a Supported Skill, the rest of that use deals 40% more Damage
    ×1

    conditional

    cost ×1.2
35. #35
    Poison III

    only sometimes: 20% more Magnitude of Poison inflicted by Supported Skills against Bleeding Enemies

    also: Supported Skills have 60% chance to Poison on Hit
    ×1

    conditional

    cost ×1.2
36. #36
    Retreat I

    only sometimes: Supported Skills deal 20% more Projectile Damage if you have Damaged an Enemy with a Melee Hit in the last 8 seconds

    also: Supported Skills deal no Melee damage
    ×1

    conditional

    cost ×1.2
37. #37
    Retreat II

    only sometimes: Supported Skills deal 25% more Projectile Damage if you have Damaged an Enemy with a Melee Hit in the last 8 seconds

    also: Supported Skills deal no Melee damage
    ×1

    conditional

    cost ×1.2
38. #38
    Retreat III

    only sometimes: Supported Skills deal 30% more Projectile Damage if you have Damaged an Enemy with a Melee Hit in the last 2 seconds

    also: Supported Skills deal no Melee damage
    ×1

    conditional

    cost ×1.2
39. #39
    Rising Tempest

    only sometimes: Supported Skills deal 12% more Elemental Damage for each Skill used Recently of a different Elemental type
    ×1

    conditional

    cost ×1.2
40. #40
    Varashta's Blessing

    only sometimes: Supported Skills deal 10% more Damage for each different Command Skill you have used in the last 15 seconds
    ×1

    conditional

    cost ×1.2
41. #41
    Exploit Weakness

    only sometimes: Supported Skills Consume Enemy Fully Broken Armour to deal 40% more Damage
    ×1

    conditional

    cost ×1.3