I'll keep at it then. So far I get her to about half, but I just get attritioned to death from the poisoning.
Attack 9546
Team
Rosenkruz - 13
Acala - 35
Brynhildr - 30
Amon - 30
Cebyl - 13
Sub
Kushinada - 15
Nike - 30
Acala aside, I haven't been very lucky in my drops, so that's really all I have.
My strategy so far is to "prepare" the 3 turn buffs (atk, element dmg, amonĀ“s skill etc) in the fight before medusa so i can start with a burst hit, which makes her go into rage and deals around a bit over half her hp. Then i use skills (god bless rampage) so its enough damage to beat her before she can go into her second stone skill. I will agree though, normally id be worried about getting a boss into rage mode on the first turn, but so far she seems to be squishy enough that its not really a problem. Its kind of funny because its the first ultimate boss i can beat without revives. I heard you needed to have at least 32k to beat ultimate, but i guess you can only check that kind of stuff on a case by case basis.
I'm beating her consistently on ultimate with a 27k attack fire team, and my amon is only like level 35. Just go into the fight with amons debuff nullification on, get her to rage immediately through autos/abilities, set up some eidolon buffs, and burst her on turn 2 (3 if unlucky but that gives her more chance to stone you).
Getting way too many gold chests, not enough bronze...
You'll need the golds for the 4th+ unlocks, don't worry!
What is really strange, mb you do something wrong? I am killing expert even with mine team, slow killing mobs, when do full debuff+buffs at medusa, slowly get her max rage, burst when medusa have half hp, have behemoth friend summon. Mordred dots is so op, it is half of mine dps. I think you should swap Nike and Artemis, you already have good healing.