Unique – Juxtaposition: Basic attacks on-hit against champions alternate between Light and Dark hits, each one granting a bonus for 5 seconds that stacks up to 3 times. Light hits grant 6 / 7 / 8 (based on level) bonus armor and bonus magic resistance while Dark hits grant 10% armor penetration and magic penetration, for a total of 18 − 24 (based on level) bonus resistances and 30% resistances penetration at maximum stacks of each.