Mind-Seeker

You must complete 17 of the secrets tracked on the mural. These include secrets tied to rewards such as Riddler's Mind-Worm, Fathom Dweller, Bound Shadehound, Nazjatar Blood Serpent, Phoenix Wishwing, Sun Darter Hatchling, Courage, Enlightened Hearthstone, Reins of the Long-Forgotten Hippogryph, and others. A full guide is available at wowhead.com/news/380212, and a Google Sheets tracker is available at docs.google.com/spreadsheets/d/1iq0hcp08KvlZfClmRM1Op8fmwYiQBI702Js-UigdsGA.

Run the provided macro to check your mount progress (17 mounts tracked) and pet progress (8 pets tracked). For achievements such as Leaders of Scholomance and others without a macro provided, search for them manually in your Achievement Journal.

Go to Vashj'ir and navigate to the Abyssal Depths subzone. Head to at 13.87 in Abyssal Depths. Before heading out, purchase 5–10 Atomized Salien Slime swimming potions from Al'kubian at 59.99, 66.08. Using the Underlight Angler artifact, swim speed consumables, or playing a Druid will make the underwater journey significantly easier.

From at 13.87 in Abyssal Depths, fly due south in normal flight mode until fatigue begins. Back up slightly to reset the fatigue timer, then submerge and swim straight down. Nudge yourself further south while descending — if fatigue kicks in again, back off to reset it, then continue downward. Repeat until the sea begins to turn dark blue and you can descend no further. A safe resting point is at 26.45, 70.6, and a key underwater location is nearby at 26.45, 71.67.

Once you can no longer descend, swim directly toward the orb. When you arrive, speak to the NPC on the right and select Dialog Option 2. This triggers a short event, and once it concludes you will be awarded the Mind-Seeker Feat of Strength.