Despite having been revived, Sien is not Sien - for she has lost all her memories in life. She does not react to anything save for the allure of darkness, and she often disappears, always wandering after its trail...
Using blocks deal physical damage equal to (200/275/350)% of hero's attack power.
The hero enters a state of bloodlust, automatically activating an attack of a random chain length every 4 seconds. The chance to activate a chain-3 powered skill increases as the hero's HP decreases. The hero will also be healed for 40% of the block skill damage dealt.