This is about level 4, but the Dragon King is far from level 4))

Even though the Dragon King has the highest stats of all, I like Archangels, Titans, and Monsters. It's just a matter of preference.

The Dragon King may be much stronger than ordinary level 4 creatures, but he still belongs to that level. There are no level 5 creatures in Heroes 4, and the Dragon King is the strongest of all.
The creator of this topic probably only played the regular Heroes 4 without the official expansions, because the list of creatures doesn't include the Champion of Darkness, Sorceress, Gargantua, Dragon King, and Berserkers.

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Actually, I like the Champion of Darkness and Gargantua.