Congratulations on your good fortune. It is rng, it can drop the first time or never. Thats right, never. Some of us have have done dread tide almost every single day since release (minimum of 5 times) and spent several all day sessions (long, painful saturdays) attempting to get this thing.
One day it will drop on an alts first run while attempting to do the quest and I will go into a blind rage and destroy my pc / monitor / whatever other unfortunate thing that finds itself in front of my physically dominant person. You are right though if you keep farming for it, it still has t