Found this map, attaching it for everyone who wants it: Cai Yan's Adventure (CHI)
The concept is similar to Ira the Mage: at first, you travel around with a single hero, fight, and count the damage dealt in units, completing quests one after another. Over time, it gets more complicated, and you get a second hero. I played it for 2 weeks, but then I realized that it should have been done without magic, saving it for more difficult battles.
I also started playing, reached the Titans, and am stuck for now. The duck burns through enemies, but it's not enough for me, so I'm trying different things. If anything, let me know. It's clear what to do with the Azure Dragons and the Skeletons in general, but the Titans...