Granblue Fantasy - Six Dragon Advent: Gold (Galleon boss battle)
Not much to say here, the dragon doesn't attack until he fills his diamonds or reaches trigger points and most of his triggers deal puny damage when you guard, even his purple omen is easy to dispel since Wind has a lot on its plate that can easily break the 25 hits requirement; that said, Galleon is probably the easiest dragon so far.
Bringing some summons with dispels helps a lot since you can guard and dispel his attack up/plain damage buffs as needed, there's a lot of them available even the free ones (Lonesome Dragoness and Robomi Rocket) but of course your best option for dispels is Hamsa or Zeph (even a 0* one) since having in-element summons does give you the advantage of lower initial cooldown.
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