The most comfortable and uncomfortable opponents for the Stronghold.

As strange as it may seem, the Academy is a tough opponent. They have a huge amount of magic, and the Orcs will specifically need to learn how to use Silence (a silly name, by the way). The hero casts spells every turn for the Mages, throws spells like Light and sets traps, calmly casts Rain on their Golems and Gargoyles, which they then quickly move into the thick of the army in one turn... Again, with Mages. And he doesn't have to choose between taking new or old Mages. With new Djinns, he reduces luck, but physical damage is all the Orcs have. Usually, an Orc doesn't just stand there and shoot, protecting the ranged units with other troops, because he doesn't have very good ranged units himself. And he has to run from cell to cell every turn so that he doesn't lose initiative. So, he runs forward in a crowd. And this is a real joy and happiness for the Kshatriyas (as well as the new Raiders), because the troops lose formation, huddle together, and they can be easily eaten. And also, he can cover them with Fireball... Well, and Gnomes, of course, because they are tough, have a lot of defense, use Defensive Formation, and have Readiness (because Gnomes are taken most often), and with their ultimate ability, they are practically invincible. Again, because the Orcs only have physical damage.