Black Hole Gauntlet

Distributed · Special · Prismatic

· sells for 2,000 g

Patch

Summoner's RiftARAMArenaNexus BlitzURFOne for AllSwiftplayUltimate Spellbook

Effects

Unique Active · Dark Star

Summon a black hole at the target location after a 0.5-second delay that lasts for 2 (+ 0.1 per 100 bonus health) seconds. Enemies within are dealt 30 to 100 (+ 5% of user's maximum health) magic damage every second, slowed by 30%, and dragged inward until they reach the horizon at the center. Additionally, for each enemy champion inside the black hole, generate 1 stack of Accretion per second.

Unique Passive · Accretion

Basic attacks on-hit and immobilizing effects against enemy champions generate 1 and 5 stacks of Accretion, respectively, up to 50. For each Accretion stack, gain 10% base health regeneration, up to 500% base health regeneration at maximum stacks. Additionally, for every 10 Accretion

stacks, gain 20% increased size, up to 100% at

maximum

stacks. Stacks are reset every round and between each phase in a round.

Patch history

25.16 · Aug 13, 2025

Dark Star slow reduced to 30% from 35%.
Damage per second health ratio reduced to 5% user maximum health from 6.5%.

25.13 · Jun 25, 2025

Available on Arena.

25.10 · May 14, 2025

Removed from the game on May 14th, 2025 since Arena is no longer available.

25.8

Removed: Dark Star damage per second no longer scales with 70% total armor.
Removed: Dark Star damage per second no longer scales with 70% total magic resistance.
New Effect: Dark Star damage per second now scales with 6.5% of user's maximum health.

25.5

Available on Arena.
Base health regeneration reduced to 0% from 200%.
Accretion bonus size per stack increased to 2% from 1%.
Dark Star now has a minimum cooldown of 6 seconds.

4 older patches

14.19

Removed from the game on September 24th, 2024 since Arena is no longer available.

14.17

Dark Star slow increased to 35% from 25%.
Dark Star damage armor ratio per second increased to 70% armor from 60%.
Dark Star damage magic resistance ratio per second increased to 70% magic resistance from 60%.

14.16

Health increased to 900 from 800.
Dark Star base damage per tick increased to 30 to 100 from 20 to 60.
Dark Star damage armor ratio increased to

Stats

+900Health
+25Ability Haste

Available in

Arena

60% armor

from

50%

.

Dark Star damage magic resistance ratio increased to 60% magic resistance from 50%.

Bug Fix: Tooltip no longer incorrectly states that Dark Star's size increases with the user's "durability".

14.15

Available on Arena on July 31st, 2024.
Obtained from Prismatic Item Anvils.
Sell: 2000.
Stats: 800 health, 200% health regeneration, 25 ability haste.
Unique Passive - Accretion: Basic attacks on-hit and immobilizing effects against enemy champions generate 1 and 5 stacks of Accretion, respectively, up to 50. For each Accretion stack, gain 1% size and 10% base health regeneration, up to 50% increased size and 500% base health regeneration at maximum stacks. Stacks are reset every round and between each phase in a round.
Unique Active - Dark Star: Summon a black hole at the target location after a 0.5-second delay that lasts for 2 (+ 0.1 per 100 bonus health) seconds and has a radius of [ 225 / 75 units]champion Size modifier (+ 0.1% per Accretion stack). Enemies within are dealt 20 to 60 (+ 50% armor) (+ 50% magic resistance) magic damage every second, slowed by 25%, and dragged inward until they reach the horizon at the center. Additionally, for each enemy champion inside the black hole, generate 1 stack of Accretion per second (30 second cooldown).