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Knights. They excel in their charge ability. If they charge from a very long distance, they can receive a significant damage bonus. Upgrades: Paladins are good both in attack and defense, while Isabel's Knights are specifically good in attack, so their defense is only 20.
Cave Demons. They are famous for their magic. Fireball is very effective against small and medium-sized armies. Upgrades: Cave Lords are most effective against level 7 creatures, using the "Meteor Shower" spell once per battle. Cave Goblins do not use magic, but they are killers of large groups of low-level creatures and receive only half damage from magic.
Undead. The basic units are unremarkable, just ordinary level 6 creatures. Upgrades: Death Knights significantly increase attack effectiveness, gaining "Withering Touch." However, this ability is only effective for killing a few level 7 creatures and for removing all positive effects. Banshees are more focused on defense, gaining "Mournful Wail." But this ability is even less useful than "Withering Touch." It deals only a small amount of damage, even with a -5 "Morale" penalty against the enemy.
Ents. They are the most durable level 6 creatures. Their attack is weak, but they root the enemy, preventing them from moving. Upgrades: Ancient Ents are even tougher than regular Ents, and they also receive a significant bonus to "Defense" when performing the "Defense" order. In addition, with the "Stony Defense" ability, their "Defense" is doubled, making the Ents truly invincible. Wild Ents are more focused on attack; in addition, "Forest Fury" reduces half of their "Defense," giving them the same amount of "Attack," and they lose the ability to entangle, becoming faster (+5 to "Initiative"). And they cannot be slowed down.
Dusk Witches. They are the only level 6 units that occupy one square and the only units of that level that shoot (the alternative upgrade, however, loses this ability). Upgrades: Shadow Lords shoot more effectively, but they still don't match the power of, say, Knights. And "Whip Strike" is often unnecessary and sometimes casts the "Berserk" spell, which can have bad consequences for both the Shadow Lords and the friendly army. Night Hags, as I said, have replaced shooting with invisibility, but their stats have been further enhanced.
Rakshasa Princesses. They are known for the fact that the enemy cannot retaliate against their attacks. Upgrades: Rakshasa Rajas have increased attack and defense, making them much more effective for defeating a strong enemy. And "Charge" with skipping a turn doubles "Initiative." Rakshasa Kshatriyas are even stronger in attack, replacing the "Enemy Cannot Resist" ability with the "Whirlwind" ability, making them even more aggressive, as they attack several enemy units in their path without affecting their own.
Tans. They are the weakest level 6 warriors in terms of attack. Even "Storm Strike" doesn't always save them. Upgrades: Jarls have changed from the Air element to the Fire element, as a result of which they have become stronger and compete in power with other creatures of the same level. They sometimes unleash a wave of fire, and once per battle, they inflict an attack that deals 20% more damage and inflicts "Fire Sign." Earls have significantly developed the Air element. They are more inclined to defense, so their attacks are still weak. "Sudden Storm" simulates shooting.
Wyverns. They are known for their regeneration. Upgrades: Dark Wyverns are very strong in dealing damage, and they also poison, dealing 5 damage per creature. Paoka have lost regeneration, but they have gained the ability to devour corpses, thereby healing and resurrecting themselves. In addition, they are more durable than Dark Wyverns and cannot be blinded. They have also acquired electric breath, which deals damage that is divided, inflicting damage on two or more units.
In my opinion, the Knights have become the strongest. I vote for them. Next are: Rakshasas, Undead, Cave Demons, Wyverns, Tans, Ents, Dusk Witches.
