Great game, I really love it. But since nothing is perfect in the world, here are some suggestions:
Find a way to eliminate scrolling in order to upgrade heroes.
Add a confirmation box when demolishing artifacts.
Introduce new events to keep the game fun because it really starts to get boring doing the same thing after some time.
The magic damage upgrade becomes useless later on in the game because of dps to magic
Add new artifacts to make the game more manageable or automable for advanced players. Its pretty boring to go from stage 1 to 200 when you are an advanced player. This is what is making me hesitate to play.
I would really like if you would make a game focusing on only one hero. Where we will need to upgrade its stats- strength, speed, mana, regeneration, swords. No time loop. Where you could introduce a main story and lots of quests. Like an Rpg, but still a clicking game.
Thank you.