Let's say I'm a Hexblade, and I have one round to cast support spells before the enemy is within reach. Ideally I want to cast hex on an enemy and then use Hexblade's Curse on that enemy. The issue is that both of those are bonus actions, and I'm not sure whether you can use your action to do something that should take a bonus action. It would make sense if you could, but I've not seen any rules that confirm or deny that.
This applies similarly to Oath of Vengeance Paladins who want to Vow of Enmity+Hunter's mark on the first round, since those are also both bonus actions.
This applies similarly to Oath of Vengeance Paladins who want to Vow of Enmity+Hunter's mark on the first round, since those are also both bonus actions.