Challenge is a quest in Xenoblade Chronicles. It can be received from a Nopon merchant near the Agni Tablet in Makna Forest. This quest requires the party to defeat the level 33 Unique Monster, Shimmering Forte, which can only be found in the daytime during hot weather, southeast of the Eks Watering Hole.
- "Defeat Shimmering Forte near the Eks Watering Hole in Makna Forest. (On a hot day.)"
"You completed the Nopon Merchant's request. The Nopon can wash safely now."