“The Waterworks” is part of the achievement “Leave no Treasure Behind” which is part of the Meta Achievement “Glory of the Delver”. Completing this meta achievement rewards the mount Ivory Goliathus. Completing the Achievement “Leave no Treasure Behind” rewards the Title “Seeker of Loot”.
https://www.wowsaga.com/exclusive-content/all-sturdy-chests-in-the-waterworks
Other posts
- Legion Remix: Everything You Need to Know About WoW’s Fast, Fun, and Fel-Filled Seasonal Event
- Week 1 Coffer Keys Guide for Patch 11.2
- War Within Season 3 Pinnacle Cache Guide: Massive Reputation Gains in Patch 11.2
- Gear update week 1: Get 2 Veteran pieces 668+ ilvl
- All lore objectives in 11.2 Karesh
- Timers (spawn time) on Objectives (Invasions)
- All side quests in 11.2
- How to Get the Shadefur Brewthief Pet with WoW Twitch Drops (August–September 2025)
- Instantly Gear Up in WoW 11.2: 5 Relic Keys, 400+ Crests, 1K Valorstones – The Ultimate Fresh Character Guide
- Comprehensive Guide to Ecological Succession in World of Warcraft Patch 11.2