Here are some helpful checklists that you can look up for Power:
♻️ Daily Missions: Burn all your stamina on the EXP and Coin stages.
🤺 Character Quests: Do the daily limited quests for the fragments of your "Main DPS" character.
⚔️ Sage Skills: Remember to spend the points you get from leveling characters in the G.M.P menu to unlock better heals and buffs for yourself.