Nimbus

Nimbus, the Exotic Air Monster is likely the best support asset to your team.

Having two of the most powerful Auras, Gold Aura and Exp Aura, Nimbus is unparalleled as a Support Monster and is typically placed towards the front line of any battle. Not only can it generate up to 250% more Gold and 50% more Experience, it also has has the ability to Increase Critical Hit Chance with it's Chance Aura (+25% Max) and Chance Combo (+5% per Air Monster).

Often paired up with Conduit, Nimbus is basically a requirement for mid-late game.