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Unit collision (also commonly known as Creepblock) refers to the mechanic by which a unit will always attempt to not occupy the same region as another unit in a game of League of Legends. Champion icon.png Champions, Minion icon.png minions and Monster icon.png monsters are all affected by this.

Unit collision is governed by and fairly synonymous to the unit's Pathing radius.png pathfinding radius.

For other types of unit radii, see: Unit radius

Unit collision is invalidated by Ghost.png ghosting, which is a Promote.png status effect that disables collision from a unit, giving itself and other units the ability to move through each other without interference; it allows a unit to intersect with another unit's Pathing radius.png pathing radius. It often comes with a Movement speed icon.png movement speed buff. Champion ability-created terrain consists of units which are immune to ghosting. Baron Nashor Baron Nashor is also immune.

Most Dash.png dashes and Flash.png blinks do not respect unit collision in their path or destination location.

Ignoring unit collision

Champion Abilities

All abilities with Guerrilla Warfare.png stealth grant ghosting when not being Sight icon.png revealed.

Items

Summoner spells

Runes

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