Inferno tactics.

Conflux always wins if the map is favorable, even Necropolis struggles. Regarding the Castle, Inferno is its opposite (evil), just as Tower is to Dungeon, and Necropolis is to Rampart. Perhaps no one has noticed, but heroes in Inferno develop evenly; that is, attack, defense, spell power, and wisdom increase at the same rate. So, usually, by level 10, my hero has skills around 5-5-5-5, meaning the hero is well-rounded. On one hand, it's bad that there isn't one dominant skill, but on the other hand, the hero is harmoniously developed. From this point, you need to think about what to specifically upgrade in the hero. Usually, I upgrade attack.