Morning – I flagged this with several related teams yesterday to determine why this is the case; I will share here when I get an update (but one of the folks I need to speak to is taking a well-deserved break today after work-related travel, so please be aware it likely won’t happen today).
Due to the range of skin tones available for player characters in our version of the game, the Shadowhunter’s demon form does turn the player character into a shadow-like dark blue in our version of the game, which differs from other versions. It is important that other player’s be able to tell when your character is transformed into its demon form, for example in PvP or Raid situations. We understand this touches on lore, so NPC Delains present in the game’s story have not been changed.
devtrackers.gg