Gloo

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Patch Patch 1.9.64B 2025-04-22
Hero Feature: A Tank who can split into multiple spirit-like creatures; after stacking its skill, it can attach to an enemy hero and transfer damage to the host.
Passive -  Stick, Stick
Enemies gain a stack of Sticky each time they're hit by Gloo's skills, decreasing their Movement Speed. Each stack of Sticky on an enemy reduces their damage dealt to Gloo.
Skill 1 -  Slam, Slam
Gloo reaches out and slams the ground, dealing damage and leaving a Goo behind. After a while, the Goo explodes, dealing damage and immobilizing enemies in the area. If Gloo touches the Goo, the Goo will explode early and reset the cooldown. (Hitting enemies with the explosion restores HP to Gloo.)
Skill 2 -  Spread, Spread
Gloo deals damage and briefly immobilizes enemies in a fan-shaped area in front of it, then splits into multiple Goos that deal continuous damage to enemies they touch. If this skill hits a Goo, Gloo will charge over to it, dragging enemies in its path for a distance.
Ultimate -  Grab, Grab
Gloo can attach itself to an enemy hero with max Sticky stacks and immediately restore a large amount of HP. During this time, Gloo's Basic Attacks are converted to deal Magic Damage to the host. While attached, Gloo also transfers a portion of the damage it takes to the host.
Patch Patch 1.8.92 2024-06-19
As one of Cecilion's core equipment, the revamp of Clock of Destiny slighty reduced his damage but greatly increased his survivability. We recognize this change. This time, we reduced the foreswing of Skill 2 to increase its hit rate.
Skill 1-  Slam, Slam
Removed the foreswing of Skill 2 (delay time unchanged).
Patch Patch 1.8.78 2024-04-23
Gloo has been on the bench for quite some time. While he shines in the early and mid game, Gloo struggles to deal with back line enemies in the late game (generally, Gloo has to pull their carry back to his allies to have a chance). So we want to increase Gloo's ability to kill enemies solo and survive in the team fights. Increased base Defense to match the adjustments to defensive equipment.
Attributes
Physical Defense Growth: 4.2 →
7.2
Magic Defense Growth: 2.5 →
4
Skill 1 -  Slam, Slam
Effect Change: Touching the Goo restores 3% of Max HP to Gloo →
Touching the Goo restores 6% of Max HP to Gloo if it explodes and hits an enemy hero
Mana Cost: 40-60 →
25-50
Ultimate -  Split, Split
Damage when Attached: 120 +50% of Total Magic Power →
30-90 +50% of Total Magic Power +3% of Total HP
Patch Patch 1.7.82B 2023-06-04
The damage growth for Gloo's Skill 1 was too high, so we decide to reduce the damage of the first hit while maintaining the current damage of Goo explosion. We hope to reduce Gloo's damage in the mid game with these changes.
Skill 1 - SkillName SkillName
Base Damage: 100-200 → 80 at All levels
Patch Patch 1.7.82 2023-05-16
Gloo is performing too well on all fronts, so we've decided to tune his tankiness down slightly
Passive - SkillName SkillName
Damage Reduction Per Stack: 8% → 6%
Patch Patch 1.7.44 2022-12-20
We want to optimize Gloo's gameplay so we are shifting Gloo's damage towards his Skill 1.
Skill 1 -  Slam, Slam
Slightly reduced the cast range and increased Goo's trigger range.
Slam Damage: 260-360 → 200-300
Explosive Damage: 250-300 +80% Total Magic Power → 200-300 +8% Max HP
New Effect: Restores 3% Max HP upon detonating a Goo.
Skill 2 -  Pass, Pass
Slightly reduced the cast range and foreswing time.
Base Damage: 250-300 → 100-200
Ultimate -  Split, Split
Removed Effect: No longer reduces cooldowns of Skill 1 and 2 after attaching.
HP Regen in the Split, Split state: 3-3.5% → 1.5-2.5%
Patch Patch 1.6.58 2022-02-21
Gloo has remained a powerhouse. We're tuning down its damage this time to give its foes a fairer chance against it.
Passive -  Stick, Stick
Damage Reduction Per Stack: 10% → 8%
Skill 1 -  Slam, Slam
Base Damage: 300-450 → 260-360
Explosion Damage: 270-420 → 220-320
Skill 2 -  Pass, Pass
Base Damage: 325-400 → 250-300
Patch Patch 1.6.26 2021-10-26
Late game performance slightly increased.
Skill 2 -  Pass, Pass
Cooldown: 10.5s → 10.5-8s
Patch Patch 1.5.96 2021-07-19
Ultimate -  Split, Split
HP Regen per second when split apart: 4-5% → 3-3.5%
Patch Patch 1.5.78 2021-05-10
As Gloo's Ultimate has more of a gradual effect on battle, we've decided to give it more opportunities to use it, drawing it closer to other Tanks.
Passive -  Stick, Stick
Each Stack's Damage Reduction: 8% → 10%
Ultimate -  Split, Split
Cooldown: 45-35s → 50-40s
New Effect: When the target Gloo is attached to dies, enter straight into a 6s cooldown.
Movement Speed Increase: 25% → 35%
Patch Patch 1.5.70 2021-04-12
Gloo, a mischievous troublemaker, is composed of mysterious creatures that merge together.
Passive -  Stick, Stick
Enemies gain a stack of Sticky each time they're hit by Gloo's skills, decreasing their Movement Speed. Stacks up to 5. Each stack of Sticky on an enemy reduces their damage dealt to Gloo.
Skill 1 -  Slam, Slam
Gloo reaches out and slams the ground, damaging the enemy and leaving behind a "Goo", and after 3s it explodes to damage and immobilize nearby enemies. Gloo can also make the Goo explode immediately by touching it.
Skill 2 -  Pass, Pass
Gloo stretches forth to deal damage and immobilize enemies in its path. If this skill hits a "Goo", the Gloo charges over to it, dragging enemies in its path to the destination.
Ultimate (Phase 1) -  Split, Split
Gloo splits apart, during which time all Goos may move together freely at an increased speed, recovering HP and damaging targets they impact.
Ultimate (Phase 2) -  Grab, Grab
Gloo attaches itself to a target enemy hero with full Sticky stacks and instantly regains a large amount of its own HP. During this time it can freely cast skills with cooldown times halved, and Basic Attack to cause an explosion at its current location. Each instance of damage it receives is transmitted onto its host and Gloo regains it as HP (excluding damage from Turrets).