You can complete the quest and not pick a myth.
Make sure you have the myth u want from there marked before completing the quest.

Heya. So twice today ive come across the same 8 bugged maruaders in Hib lands. They are at Crauchan Gorge. In the water by the docks and 1 sylvan near Dragon minions.
They dont fight back and just stands there and die.
I killed them earlier and they have respawned the excatly same spots.

Ive ...

Earlier i was killing the quest mob for The lost Seed Part 1 on Hib. when i dotted the Cursed tree i got dots on other players and ended up killing 2. mabey needs fixing.