In the dark, a man named Eloni gracefully halved the damage. This is a passive skill, which only works when you say you need it. You can do a transformation skill, such as demon transformation, and then the two units are the same, one is the initial unit, and the other is the transformation unit with the above damage reduction skills.

Two, three I'm not sure.

The aura of the necromancer, this is really simple! It's the evil aura of the dead rider. After the light is restored, press Shlft, double-click enter -0.0 1, and then select Yes by percentage, and the target will become an enemy.