Wait, this...

It's actually quite playable, you know?? But right now, I'm just constantly doing adventures lol. My cathedral is level 9, but to get to level 10, they tell me to build a hospital. To do that, I have to grind adventures like crazy, so I'm currently doing that. Raising heroes isn't easy though.. The first top-up was 1500 won, so I bought a hero, but even that got tough in the mid-game, and now I'm stuck ㅠㅠ. If anyone has played this before, please share tips on raising heroes or any other advice..! ㅠㅠ