Side quests: Aganmi, Erma, Wourha, Ossi and the lost books

Erma, Captain Aganmi, Wourha, Ossi and Chef Gagi each hold one of the eight Mementos for Okbujo’s Judgement, so their quests are required for Endings 3 and 4. None of them is reported as missable. The Challenges menu shows how many of each collectable you have found and handed in.

Quest and giver	Task	Achievement
Iryupe crew: Captain Aganmi	Find four missing crew members	Fate of the Iryupe Raiders, 15.0% of players
Orbewa Eggs: Erma, Obmuer Temple	Hand in every egg	Sacred Waters, 5.4% of players
Creature research: Knowledge Keeper Wourha, Tower of Knowledge	Fill the bestiary	A Lifetime’s Work, 5.1% of players
Flesh growths: Wourha	Dissolve the growths in the tower	Sparkling Clean, 24.8% of players
Lost books: Tower of Knowledge	Shelve six books	I’m Not Paying the Late Fee, 7.6% of players
Data Modules: Mechanical Engineer Ossi, Ancient World	Hand in ten modules	Wise Work, 7.0% of players
Meal Tickets: Chef Gagi, Deimpo Mausoleum	Hand in 60 tickets	Birds of a Feather, 9.5% of players

Chef Gagi is covered in levelling and food.

Captain Aganmi

Find the four missing members of the Iryupe Raiders and report each one to Captain Aganmi. The reward is Aganmi’s Necklace (slight poison resistance and a healing aura) and the Iryupe Raiders Treasure Key for the crew’s stash.

Erma and the Orbewa Eggs

Erma, Matron of the Deep, takes Orbewa Eggs in Obmuer Temple. No source gives the total, but the Challenges menu counts found and delivered eggs. Players who stalled one short found the last egg in one of these places:

• behind a hidden wall by a Crystal Monument in the Rotting Cavern;
• the waterfall room at the bottom of the shaft into the Ancient World;
• the vents below Deimpo Mausoleum;
• a window ledge in a dark corridor of Obmuer Temple;
• the basement of the Record of Sin.

After every egg is delivered, leave and return later: the Treacherous Sea Prince appears in Obmuer Temple.

Knowledge Keeper Wourha

Wourha’s research fills as you record enemies in the bestiary. One enemy that only a specific weapon can reach does not count toward completion. The reward includes the Extravagant Hourglass.

Separately, after the Necronomicon gives you the Acid Vial, throw acid daggers at the flesh growths in the tower and report back. One growth is behind a fake wall on level 3. Patch 1.01.06 fixed growths that failed to clear and grants Sparkling Clean retroactively to players it affected.

Lost books

The Tower of Knowledge library has six numbered sections, each with a subject. Each section needs one specific title; other books of the same genre, such as The Ratty Bug Compendium, do not count. Returning all six unlocks I’m Not Paying the Late Fee and reopens the Rare Artifact Storage; one guide lists the Crushing Lance among the rewards.

Shelf	Book	Where to find it
I, Alchemic Recipes	The Great Work IV, Rubedo	Cave below the cemetery on the starting island (an egg sits outside); down the stairs, the altar right of the central pedestal
II, Fantastical Creatures	The History of Dragons	Given by Wourha after enough bestiary progress
III, Construction Techniques	Dams and Weirs	Bottom shelf of the bookcase beside the Tower of Knowledge teleporter
IV, Fairy Tales	Upim’s Fairy Tales	Hidden cave on the Obmuer side of the island near the raiders’ shipwreck route; drop through a floor opening, then Wind Dash to a ledge
V, Eldritch Horror	The Old Ones Beyond	Concealed passage above a room entrance in the upper library, near the skeleton of Archivist Inha
VI, Queer Romance	Koko’s Sapphic Adventure	Upper tower rooms near Wourha’s study

Mechanical Engineer Ossi

Ossi gives you the Orange Ochre Seal Breaker, which opens the orange-marked rooms that hold ten Data Modules. Hand all ten to Ossi, leave the area or rest, then return: the Strange Explorer appears and drops the Explorer’s Cudgel, and Wise Work unlocks. The modules also power the weapon upgrades at his terminal.