This, I think that rewards (at least for 5* quests) should be more based on the difficulty than the CD since being a 5* quest on it's own already makes newer players not want to try it.
In-game name: Taz
Suggested change: Increase Infantry critical hit chance by 12% and increase infantry movement speed by 20%
Reason for this change: some infantry units are already tanky but are very very slow (champs, chiefs) this would help them clear through leg quests faster. Crit% is just...