Lina is a spirit in the Chest of Rage.Her name is Lina Itanieles, a mercenary from Litan.

When her body was destroyed, she searched for some way to create a new spirit receptacle.  She went tot he world of Demonis, but was defeated as all her devices went haywire. 

She is unable to serve you until you find a generator. You will need to reach the dwarven lands first.