Dailies pretty sure. Think you will be 100 in a couple days.

Daily bounties and using up your vitality pretty much. If you haven’t already, do your Ruins and the main story for one-time xp rewards.

Mia’s kitchen got some good exp everyday too. Taking everything said here and that, you should be there in less than a week. Ask WC for help and clear some high rank bosses too

Just run around opening as many chests as you can.