- Note: Not to be confused with magic shield.
A spell shield refers to one of several effects that have the capacity to negate hostile abilities from applying to the recipient.
- The shielding can vary per case with other included mechanisms such as on-hit effects and subsequent targeting ( ).
- Spell shield negates effects coming from champion abilities, monsters, champion summoned units, and items but not summoner spells and persistent effects from AoE DoT and passive DoT effects unless otherwise stated.
- Multiple active spell shields over a single unit will break simultaneously if the triggering hostile ability does not have a crowd control effect. This is intentional.
- Spell shield takes priority over damage shields, invulnerability, and conditional crowd control immunity, unstoppability, and slow immunity.
- knockback upon taking damage cannot. attacks can be blocked, but their
- Abilities applying multiple instances of damage (e.g. , , ) will only prevent a single instance of damage.
- Some abilities that have already applied onto the target (e.g. , , ) do not get blocked.
- Some empowered basic attacks will also trigger spell shield (e.g. , , ) but the damage being blocked, either total or bonus, is case by case.
- Terrain displacing abilities (e.g. , , ) cannot be blocked.
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.