Upper Abyss 13. Tenebrous Cloak

Artifact Skill - Rain of Illusion
Area of Effect - Ancient City of Ru and nearby areas
Activation Cost - 1 Temporal Stone
Cooldown - 15 Minutes

Skill Description - When actives all friendly players will gain 1000 DP. Also everyone will enter a Superior Stealthed State with no movement speed penalties for 1 minute. If you attack it will break this Stealthed State.