Where to train a level 104 White Knight.

Alright, to help out a friend of mine to get at least 120 I told them I would train it for them since they have been 104 for almost two years, but it's been about a year since I last trained a White Knight and I know a bunch of new training maps have come out since then.

Here are the stats if you need it.

418 - Str.
93 - Dex.
Fire Charge - Maxed.
Ice Charge - Maxed.
Thunder Charge - 21.

Equips.

107 Blue Screamer.
10 Attack Glove.
10 Str 2 Attack Pink Cape.

I would like a place where I can at least come close or break even on pot costs. And also a spot where training is pretty fast even with a high pot cost.