Lissandra Ability (LoL): Frozen Tomb

Enemy Cast: Freezes target champion solid, dealing 150 / 250 / 350 (+70% of ability power) magic damage and stunning it for 1.5 seconds.

Self Cast: Lissandra encases herself in dark ice for 2.5 seconds, becoming untargetable and invulnerable but unable to take any actions. Lissandra also gets healed for 100 / 150 / 200 (+30% of ability power) (+ 1% per 1% of missing health).

Dark ice then spreads from Lissandra's target dealing 150 / 250 / 350 (+60% of ability power) magic damage to enemies. The ice lasts for 3 seconds and slows enemy Movement Speed by 30 / 45 / 75%.