Novel info
Legendary Butler: God Of All Classes

The Butler War has begun.
Across the world, every ruler has received a summoning stone, an artefact granting them the power to summon a Butler. These elite servants will fight by their side in a brutal war for global domination.
Dozens of rulers. Dozens of unique Butler classes. Some will rise above the rest.
But one Butler surpasses them all.
A Butler with access to every class, while others wield only one.
His name is Azaleth, the GodKnight.