So you put half of the 1st item's description, followed without pause by the 2nd item, going back to the 1st again only to merge with the 3rd as it doesn't get a description of its own.
He is billions of years old.
In season 4, his struggle with his feelings of guilt and self-hatred caused his Devil Form to change.
As it's a morning star, that item already exists in the game, so you can specify it's that and note the modified qualities 1d8 extra bludgeoning damage on top of the piercing , and specify the magic part of its effects after.
Dimensional Travel Lucifer is able to use the wings to travel between Earth and Hell without dying.
In after opening up to each other, it appears that Chloe has picked up the ability to use Lucifer's own powers on him, and he lost them.