Traveling to Erkey Falls?

“	A few nights after Tupai and Luwai went to the ruins of Irai Falls, Luwai suddenly said that he would borrow Voight’s L-Rod for the adventure. Tupai wanted to follow him, but Luwai said the place is filled with sand that makes eyes blurry and itchy.	„
—Tupai

Strategy Guide, no mention of Ruwai wanting to go to Connous. Unless they actually changed stuff around, then...