I just made a base above his altar with a lox drop spawner so for the first fight I had like 20+ lox wandering around stomping him to death.

Sadly both my lox and my base got wiped out over the next 5 Yagluth spawns lol. Then it was using Silver Sword and Claws.

edit: 2 Yagluth's at a time was pretty scary. More so then 2 Modor's.