Spell shields refer to one of several effects that have the capacity to negate hostile abilities from applying to the recipient. This can vary per case with other included mechanisms such as on-hit effects and subsequent targeting ( ).
- Spell Shields negate effects coming from champion abilities, monsters and items, with the exception of summoner spells and persistent damage from AoE DoT and passive DoT effects.
- Spell Shields take priority over health shields and conditional crowd control immunity ( , , etc.).
- Multiple active Spell Shields over a single unit will break simultaneously. This is intentional.
The following will block one enemy ability, with precedence given to the ability spell shield. If the ability is of an enhanced basic attack (e.g. , ) the spell shield will not block the damage of it, but only any additional effect it might have, like crowd control. In the case of , the spell shield breaks even if the attack doesn't have any crowd control effect with it.
These effects can block more than one ability per cast.