Assassin's Creed Valhalla River Raids, How to start, Rewards, River Map Clues

One of the first big upgrades downstream from Assassin's Creed Valhalla's release is River Raids.

River Severn Map Complete Guide for Assassins Creed Valhalla River Raids Maps #2

River Raid Maps - Assassin's Creed Valhalla - Hold To Reset

River Raid Clues Location, How to Unlock Third River Raid

How to fix the river raids bug - Collect all rewards - Assassins Creed Valhalla

AC Valhalla River Raids Guide: everything you should know

Assassin's Creed Valhalla Free Update Adds New River Raids Mode and More

Assassin's Creed Valhalla River Raids, How to start, Rewards, River Map Clues

Assassin's Creed Valhalla adds new river raid maps, rewards

Treasures of River Dee - Quests - River Raids, Assassin's Creed: Valhalla

Assassin's Creed Valhalla River Raids, How to start, Rewards, River Map Clues

Assassin's Creed Valhalla River Raids, How to start, Rewards, River Map Clues

River Raid Clues Location, How to Unlock Third River Raid

Assassin's Creed Valhalla - River Severn: All Collectibles (River Raids)

AC Valhalla: River Raid Map Clue Locations River Exe & River Severn

I've finished all raiding locations in the map, and I am quite sure that I've collected all the small chests, yet I couldn't locate the remaining gear/weapon left. Any idea how I