Anyone else play Idle Slayer? Any Hot Tips?

Been playing this game for a couple months now. It’s an idle game that has some slightly more involved activities like platforming bonus stages and I’ve read there are boss fights later on

Idle Slayer

Idle Slayer: Monster Quest RPG::Appstore for Android

Tailed Demon Slayer : RISE - Apps on Google Play

SMAPI - Stardew Modding API at Stardew Valley Nexus - Mods and community

Where should i go from here? I feel kinda stuck. : r/idleslayer

Idle Slayer - 100% Achievements Journey - Ep 26 - Bonus Stage 2 Tutorial *CURRENT*

Idle Slayer Gameplay #7 - SECRET LEVEL!

Ive been playing for a few days and i feel completely stuck as i can't get any upgrades and it won't give me any new items to use, What should i do?

what should I do at this point.i keep on getting stuck after reaching 1 nonillion : r/idleslayer

Idle Slayer Guide: Tips, Tricks & Strategies to Become a Legend - Level Winner