User blog comment:Cottonmouth255/Discussion of the Week: Monster Couples/@comment-5853890-20150126034930

-Raths, everyone down below already mentioned my reasons. Now give me an ecology video of them fighting/hunting together.

-Arug/Goru, because design is lacking but the idea of how they fight is interesting though.

-Parent-juvenile relationship like Shaga/Gore, Gravios/Basarios, etc.

-Mutualism pairings, elder dragon pairing (which will be a challenge), giant elder dragon pairing.