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After taking damage from an enemy champion, their next three spells or attacks against you deal 15-40 less damage (at levels 1-18)
Demolish base damage increased. Chrysalis health decreased. Bone Plating damage reduction decreased.
Bone Plating duration decreased.
Bone Plating was intended as an anti-burst rune, but thanks to its long duration it's being used as a generic anti-damage rune. Shortening the duration should make it less generically good while preserving its anti-burst power.
DURATION :  ⇒ 3 seconds
TOO TANKY : After taking damage from an enemy champion, their next three spells or attacks against you deal 20-50 less damage (at levels 1-18)
DURATION : 5 seconds
COOLDOWN : 45 seconds