Tactics for Conflux.

Butterflies are powerful in general, but 5000 fairies, with 400 fairies each (100 weeks), would look much better!

Yes, that's definitely cool, but Armageddon with Berserkers really rocks!
When I was playing through the Dragon Slayer campaign, I encountered squads of around 10,000 naga... I mean, how would I have defeated them quickly and without losses without Berserkers?... Dragons are the same story - you Berserk half the stacks each turn - and victory is guaranteed...