Kzarka & Dandelion Weapon Box
With todays Patch there were two quests added. The Kzarka Weapon Box Quest and the Dandelion Weapon Box Quest. Both Quests require you to kill the according Boss. As result you will be granted a Weapon Box.
The Kzarka Quest can be found at the Node Manager at the Serendia Shrine.
The Karanda Quest can be found at Kreutz, an NPC in front of the Delphe Outpost.
Good Look getting those Drops!