Answer:
First I may be your servant's name. Then your desires I may proclaim. When your mortal life is over, I hold all your wealth within my power. What am I?
I will go within you and destroy you. Only because you wanted me too
I am in the middle of water but am not an island.
I am black of eye and bright of hair. I fast into the ground and follow my lord as he races around the world. What am I?
There is one in every corner and two in every room.
The warmer I am the fresher I am.