People keep getting kidnapped. It's not usually an occupational hazard when you're a mercenary, so when it happens to you, it usually means your friends have to go and do the rescuing.
An obscure cult from the mysterious continent across the Eastern Ocean has decided that Morgan is the one spoken of in an ancient prophecy. It wouldn't be the first time she's been fingered by Destiny, but at least the cultists could have asked before taking her back home for training.