Dwarf vs. Wingayel (Lands of Outcasts)

1. Ingvar: chaos, wizardry, education, logistics (sharp mind), defense

Why is Logistics in such a build? Luck, Light, or the machines would be better.
Logistics with (sharp mind) will work if you manage to take the School of Darkness.

That's exactly the problem—he takes Wingael and brags that HE IS INVINCIBLE!

Take a Necromancer and bring him back down to earth.
Judging by the game conditions

the endgame takes place in week 1 of month 4!

The Necro will build an imba army. And anyway, you'll reach the Dragon Utopia before him, build up your Castle, gather artifacts, and can have some fun converting monsters from neutral/AI towns.
And for the connoisseurs, you could take Haven and train 200+ paladins over 3 months, who will kill absolutely everything.