Tirek Danglar's final fate

I'm still debating on what to do with Tirek for the story finale. Should I have him link himself to the stolen magic, and become a demon that Shining has to somehow slay? Should I keep him in his base form, but engage Shining in a final sword clash that ends in his death? Should I do a Transformers Prime ]and have him killed by Albert' via a sword to the chest? I don't know. If I had someone I could brainstorm with, then it'd be far easier. But the only thing I can do is ask you, the audience, what I should do, and which of these is the idea I should go with. So, any thoughts you'd all like to share? Any at all?