This one went up in February 2018, almost four months after Part 10 of the white wool run. The party is the same, Basket with johnfal_92 and Dash, going by the nameplates, and Scoti isn't on. A note on stream says Monumenta is now in open beta, so anyone can play.
A job from Sergeant Sigrun
Sergeant Sigrun has heard about Basket from Captain Murano, who called them "a paragon of virtue," and has a job. Scout Corporals Davis and Redmond were spying on the Jaguar Warrior camp across the river, southeast of town. "They can handle themselves, but should be back by now." The quest is Missing Soldiers, short and medium difficulty. There are two Jaguar villages, so the plan is to clear both in one trip instead of running back and forth.
Basket checks the numbers on the way. The wand gives 10% speed and the armor takes 10% away, so it comes out even. Someone also points out that everyone in the party is lit up, which makes it a lot easier to tell who is a friend and who is a Jaguar Warrior.
The hard village first
They take the harder village first. Jaguar Warriors come at them past campfires, the archers there are "super tough," and there are spawners inside the buildings. Somebody had said they would be careful today because they were carrying 41 levels. Then the chat reads: johnfal_92 fell from a high place. The gear gets picked back up, and the others work their way up the tower.
The first quest item turns up in a chest: Kim's Sword, a stone sword marked Quest Item. "I got the sword."
Northern Jaguar Village
The second village has creeper spawners up the hill, and a raid shows up on stream right in the middle of the fight. Basket is wearing a Water Robe, a unique pair of leggings with Mending that grants Regeneration while worn. "So I could just be blocking with my shield and be healing up."
The other quest items are in the furnaces of one building. Redmond's Cap sits in one, and its tooltip asks "Did you find Davis's cloak?" That makes three quest items in all. The village will reset itself in about ten minutes, so they take a boat back.
Bad news for Sigrun
"Yep, that's their gear. Damn it, what happened?" The answers on offer are "They were eaten" and "I, um, I'm not sure." Sigrun decides to call in the cavalry and burn the village to the ground, then mentions another Jaguar village to the east, where Sergeant Kim was keeping watch. Kim's Sword is already in Basket's bag, so that part ends right there. "I guess I'm writing three letters tonight. Here, this bow was Kim's."
Missing Soldiers is complete. The reward is Steelsiege and 1 Prestige. Steelsiege is a unique bow with Unbreaking I and Flame, a step up from the Punch I crossbow Basket was carrying. One of the others says it's an item you couldn't have gotten if you'd chosen the bad path before.