Surtur vs Ymir vs Cyttorak

Surtur gets his sword
Ymir gets his best wepon( the wepon must be his)
Battle on Netural Ground

Just a reference

Surtur- http://www.immortalthor.net/bio-surtur.html

Ymir- http://www.immortalthor.net/bio-ymir.html

Cyttorak- http://www.marvunapp.com/Appendix/cyttor.htm

If it is not in Cyttorak's realm, then Surtur with his sword. I don't know that Cyttorak can really leave his realm though?

lets jus say he can