I got bright light off it, so it gets bonuses too or something...however light works atleast.
Its actually rather fun, being a different fight and all that, though also somewhat unforgiving...still less so than Titan and Odin though. It is kinda surprising after the other story dungeons/trials that this one ends up so difficult, but if things are only supposed to be harder/similar to this, best to get used to it now/before you head into the expansion!
Better than just standing there hitting the boss with occasional dodges at any rate.