[Fragile][Cissia] Ouroboros Loop - Lv.50

Cissia's exclusive Tactical Prism.
When using Etheric Phantom to enter Stealth, Stealth duration is extended by 3s.
After using EX Special Attack, gains the Viper Strike effect: When any Non-Corrode Bone attack hits an enemy, it triggers a free special Corrode Bone that cannot inflict Daze. This effect can be triggered once every 1s and lasts for 6s.