He grouches about being forced to play den mother. Jerk: Adan is not really a soothing personality, since he wasn't trained as a healer. The Herald must rescue Adan first if Minaeve is saved first, Adan is toast, but if he's saved first there's a chance to rescue both. If you don't get there in time and rescue him, the pots explode and he dies. Fixing people up after they've been exploded is not his forte. His job was to make things that explode reliably.
An alchemist forced to double as the Inquisition's healer since his master, a trained healer, died at the Conclave.