Radiant Quicksilver

radiant

Combat Start: Unstoppable for 45 seconds.

Gain 6% stacking Attack Speed every second.

Source

Cc Immune · to itself

CC Immune is a protective state where the unit ignores incoming crowd control for a duration.
Attack Speed

Bonus Attack Speed (AS) makes a unit attack more often per second.
Magic Resist

Magic Resist is the magic-defense stat that reduces incoming Ability Power (AP) damage.
Crit

Crit means a unit's damage scales with crit chance and crit damage.
Combat Start

Combat Start is a trigger that fires once, as the round's fighting begins.

Stacking In Combat

Stacking In Combat means a unit ramps its power within a single round.