Darn Good Shot. Has advantage on attacks against foes not in cover.

Evasion. If Adelheid is subjected to an effect that allows it to make a Dexterity saving throw to take only half damage, Adelheid  instead takes no damage if it succeeds on the saving throw, and only half damage if it fails.

Quickdraw. Can Draw or stow up two two objects as a bonus action. Also Can reload two revolvers in one turn.

Multiattack. Adelheid makes two Revolver attacks (one with each revolver).

Revolver. Ranged Weapon Attack: +6 to hit, Range 60 ft., one target. Hit: 6 [rollable](1d12 + 3);

Combat Dagger. Melee Weapon Attack: +6 to hit, Reach 5 ft., one target. Hit: 7 (1d6 + 3) piercing damage.

Overwatch:

Does weapon attacks after targeted creatures leave cover