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I played as Orcs for the second time, and this time I tried to play more strategically :D
For the Warrior, the main goal is to quickly reach level 15; after that, fighting becomes much easier, especially against mages. Skills like Reinforcement III, Counterstrike III, Cleave, Frenzy, and Stamina are essential; the rest can be chosen based on preference. I also upgraded Tactics I, Logistics, Plunder, Restoration II, Heroism, General Heroism, Intimidate, No Retreat, General No Retreat, Stamina III, and Archery II. In the arenas, I chose +2 to physical strength to increase attack power, and in the libraries, I chose a bonus to magical defense for Sandor (the Warrior).
I completed this mission as follows: I sent Sandor to the top of the map and Ayrin to the bottom. Ayrin only recruited units from joining factions (and she later dealt significant damage to the Nagas :D). Nagas appeared periodically. Slowly and steadily, I cleared the entire map, defending against enemy heroes. I maxed out the levels of both heroes. In the end, when the heroes started appearing before Muako, I decided not to wait for them but to meet them near the forts and defeat them (it worked, and Ayrin finished leveling up). I killed Muako in the city when he crawled there. There was nothing difficult about it; the only thing that was disappointing was that the Emerald Bow of Yumi or the Unicorn Bow never appeared on the market