Atmas: Razed Ruins, Gnarled Horn, Atma of Cloack and Dagger.
Food: Squid Sushi +1
The fight took a little more than 30 minutes. This videos shows the last 27% or so which was the easier and fastest due to the fact that i could use weapon skill because i didnt need TP to heal me after a 2.5k - 3k Scintillant Lance because it was doing more than that at this point of the fight. Here is the video.