The Tower of Druaga: The Aegis of Uruk (2008)
Plot
A demon lord commands his forces from a tower. During the "Summer of Anu", they lose their power and human army invades the tower to end their threat. Adventurers who have heard about a priceless treasure hidden in the tower join the fight.
Where to watch The Tower of Druaga: The Aegis of Uruk?
The Tower of Druaga: The Aegis of Uruk is an anime show featuring Akira Ishida.
The Tower of Druaga: The Aegis of Uruk is currently streaming for free (ad-supported) on Tubi TV and it's also available on Crunchyroll, Crunchyroll Amazon Channel and Funimation Now.
It is also possible to buy The Tower of Druaga: The Aegis of Uruk on Amazon Video.