"A lot of NCU players from XIII aren't here yet since only the japanese version is out right now but I'm starting. Rules are simple, no using CP on Noel or Serah and no using items to level up monsters under any circumstance. ability transferring for monsters is permitted, but only at their base level after being captured. i'll be recording bosses and misc stuff on my youtube channel and making notes here for items to get, monsters to get, places to farm if necessary etc etc. if anyone wants to join me that's fine, all help is appreciated. we only get through these challenges as a community in the long run.
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Fonte: Gamefaqs
In sostanza, mai usare i CP per far avanzare noel e serah e mai usare item per livellare i mostri. Si possono però trasferire le abilità, ma solo quando il mostro è a livello base dopo la cattura.