Question: hpwu how to get keys?
Answer: Microtransactions. If you want to get keys fast, you can get them by spending the in-game gold. ... 
Leveling up. Each new level gained gives you a few potions, a bit of gold and a few silver keys. ... 
Chests in the Registry. Each category in the Register has a few levels. ... 
Daily treasure. ... 
Achievements.