This tale section requires you to complete three quests at the side of Taka and Yuna.
At the end you'll also have a perfect opportunity for
'The walls of Yarikawa' Is pretty straight forward, it's an introduction to the town and its inhabitants, there's a stealtht start, make sure to head straight across all the tall grass and stay crouched at the river.
The second tale is about dealing with certain enemies for Yuna and breaking the seige of the town.
and finally 'Ghost of Yarikawa' is the main battle, it's also the best time to fet the Witness Protection
trophy, although the Ghost stance is useful to get it at anytime after the Tale is finished.
At the end of the battle, the trophy will pop