Given it's the 'rare' boss like Galleon I doubt it has a daily respawn.
Oondasta is somewhat rare indeed, so do not expect to see him around every time you visit the Isle of Giants ;-)
Given it's the 'rare' boss like Galleon I doubt it has a daily respawn.
I'd like to have an elite world boss not a rare world boss
I thought that Oondasta was supposed to be female...