Board Thread:Rewatching "Merlin" - Season One/@comment-5102537-20130316141226/@comment-5674726-20130319211005

Could it be that Lance just decided to get rid of himself, so that nothing stands in Arthur's way?

I'd say that it's more a case of the show runners not wanting to explore the idea of a love triangle in depth, once they decided to forge ahead with the Arthur/Gwen pairing.