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In general, they are all good, but each is suitable for a specific situation.
1. Fanatic: + Deals great damage. If protected, a stack of Fanatics will inflict very significant damage on the enemy, no penalty in melee combat, - weak health, no magical abilities. = A very worthy unit.
2. Dendroid Soldier: + A very resilient unit with excellent defense, can effectively immobilize enemy units, even multiple ones, thereby protecting other units from attacks by those bound by roots, indispensable in defensive tactics, - very slow. = An excellent defensive unit.
3. Master Djinn: + High speed, excellent magical abilities, - weak health, melts away when attacking an enemy, it is recommended to use them in battle only with a large stack of Djinns - i.e., in battle, they often perform exclusively a magical function. = An average unit.
4. Hell Spawn: + Decent attack, ability to summon demons from slain allies, average speed, - weak defense = also an average unit.
5. Master Lich: + Decent attack, magical aura, - weak health, like all ranged units. = A powerful unit that requires mandatory protection from the enemy.
6. Minotaur King: + Decent speed, good attack, good defense, morale +1, - no magical abilities = the best level 5 warrior with an emphasis on attack.
7. Thunderbird: + Excellent speed, ability to strike enemies with lightning, decent attack. - average defense, which slightly spoils the impression = a good attacking unit.
8. Great Gorgon: + Excellent defense, decent attack, and, of course, a DEADLY gaze, - low speed = perhaps the strongest level 5 unit, their gaze is something special :-).
9. Magma Elemental: + It's difficult to find them, but they have some resistance to certain spells, - average attack, defense, and speed. = A very mediocre unit.
10. Diamond Golem: + Very high magic resistance, decent defense, - attack and speed are not the best = good for defending against mages, but it is difficult to obtain them in large numbers.
In general, there is a clear division into units that are exclusively attackers, defenders, and ranged units.
Each is good for its purpose, but the Gorgon is perhaps the most charismatic of them all