Superior Rune of the Golemancer skill #6 not triggering underwater. Not tested minor or major versions.
Sure it isn't working and you didn't just forget to equip the aqua breather with the rune? :P
One had to ask. Sometimes people post bugs like this only to realize it was a silly mistake of them. :P
At least the replies serve as a bump.
Maybe the golem cant swim like the flesh golem.
Anet will update it in 2-3 years with a golem shark.
still not fixed. a year later..