Personally I use a Healer party because it is very light heavy and light does 2x the boss (Rose Valk, Rose Valk, Light Venus, Light Ceres, Echidna, Friend Valk). Sometimes I end up having to use the Echidna, all depends on how the orbs fall and what his starting timer is. That team is about 12k HP and mostly one rounds each stage. Any other light team may have trouble without 9x, but I'm not sure b/c never had a full light team.
I don't think you could use Ama + Odin because isn't that 55k shot a multi attack? So you'll only get the 80% reduction on the first hit (maybe with all the talk about Athena I'm getting confused). If not then you'd take 11k damage and have to heal back in 3 turns (which should be easy with all the Ama friends we have).
You could do a Dark resist team, but need 55k/2 HP to tank it and enough RCV to get back in 3 rounds. 2x SOD would kill the boss too I think.
I don't think you could use Ama + Odin because isn't that 55k shot a multi attack? So you'll only get the 80% reduction on the first hit (maybe with all the talk about Athena I'm getting confused). If not then you'd take 11k damage and have to heal back in 3 turns (which should be easy with all the Ama friends we have).
You could do a Dark resist team, but need 55k/2 HP to tank it and enough RCV to get back in 3 rounds. 2x SOD would kill the boss too I think.