Grubthor is a gargoyle who flies around Albion's Lower Crypt. He cons red to 50.
One place where you can wait for him is the obelisk at 23.5k, 22.9k. He will eventually pass in front of you as he flies along the corridor.
When he appears, pull him with a ranged attack . He melees and casts a damage spell.
Grubthor 's trophy was added to the game in version 1.75 on April 6, 2005. For a list of other trophies that were added at the same time, click here.