this level is kicking my ass for the last few hours… anyone beat it yet? and with what char and gears?
just fully equip your chars, and if you are having trouble just juggle DJ off the train… pretty easy if you are equipped. I used health, then all the elemental attacks, and attack up as my gear.
damn, my gear sucks… i just wanted to get all the trophies and be done with it, now i guess i need to waste more time getting more gears 
Try to save the gattling gun for when Devil Jin shows up… and just shoot his ass off the train.
How do i beat the nightmare train level in scenario mode
I would recommend you stock Alisa and your character with all S or A grade Items. I recommend these skills, Health, Electricity, Fire, Ice, and Attack Up. I handle this mission by taking out the enemies as fast as possible ( thats why these skills help ) you want to stay by Alisa and try to be in the middle of the train, high damage attacks and attacks that knock down on normal hit are recommended. Weather the storm of annoying gargoyles and when Devil Jin shows up take the Gatling gun and blow him off the train.
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Video representation for those visual learners
thats weird its like i pulled that from somewhere
i guess my problem now is the gears… im using mostly C and D grade gears guess it’s time to go back to gear grinding… thanks for the help.
edit: finally beat it after few hours of gear grinding 
People actually play that mode?
I only played it to get money, which is easy as hell
just play it to get the trophies, i ain’t touching it again unless i need money to buy more out fits.