Okay so first in battleon you go left until you reach this weird looking girl. 
After that do her quest, then at her last quest she said you will need to beat 
thrax ironhide and wisteria and get their items. Thrax is in marsh and wisteria
is in guru forerst. After defeating them and getting their required items 
(thrax's helmet wisteria's leaf or tentacle or something) return to battleon
and find the girl. If u complete it u will get 400 g and exp.