Hidden Hero?

You are a simple healer to others. Going from different guilds looking for work and entertainment. Little does anyone know you are a lich of unbelievable power only seeking to help the people, and the few misunderstood undead. Many undead are evil but a few like you just wish to travel, witness or create. Your goal is to help the undead secretly coexist or raise a kingdom where they can, without a façade. This takes place in a vast world. Many different types of fantasy creatures coexist. Question is will you stay in silence appealing to anyone who figures out or raise a kingdom slice out your own piece of the world.