Map / Record of Sin

Record of Sin

The Tower of Sin, an optional library tower reached from the Ancient World. Three blue Okbujo Orbs open its basement, four lifts climb to the Herald of Okbujo, and the Herald unlocks Rabios the Witness, Okbujo's Gaze and the Memento Mirror.

Way in: Ancient World: on the second floor of the power tower where you found the Wave Cannon, fly from the skeleton campfire to the far mountain and drop from the building roof. The 100% order takes it after the first Siraatsu pass and the Wodaso Lens; earlier entry works, but the enemies are much stronger.
Leave with: Memento Mirror, Daji the Grasping, Rabios the Witness, Okbujo's Gaze, Otherworldly Data Module
Steam achievement: Sin Keeper: Reach the Record of Sin. (15.3% of players)
In the 100% tracker: 18 entries: Crystal Monuments & Wing Altars: 3, Bosses: 1, Wind Gems, lenses & key items: 3, Main weapons: 2, Throwing weapons: 1, Orbewa Eggs: 1, Strange Silver Etched Skulls: 3, Hidden Bestiary entries: 4

The Necronomicon fight. Screenshot from the Steam page.

Route through Record of Sin

Drop from the roof to the In front of Okbujo's Tree monument; the Record of Sin Wing Altar is on the main path ahead.
Go on and enter the cave through its innermost opening. The basement is a maze: collect the three blue Okbujo Orbs and place them in the tree beside the save crystal to open the door.
Grilled Fish and a Meal Ticket are on the main path behind the door. Ride the first lift up; the hidden wall straight ahead opens a room with a grimoire hint, and the ink for the Witch's Grimoire is on the table on the right.
After the second lift, turn left and open the hidden wall for Broiled Meat and Baked Lobster. After the third lift, the hidden wall straight ahead holds a chest; the fourth lift ends at the Peak Antechamber monument.
On the top floor, fight the Herald of Okbujo (9,999 Life, 150 ATK, no known weakness). Talk to it after the fight for the Memento Mirror, which Okbujo's Judgement and Endings 3 and 4 need.
On 4F, Okbujo's Gaze now lies on the right of the hidden door, and a passage leads out to Verdant Hollow.
In the 3F cage room (left after two lifts), shelve The Green Goddess, The Rotting God, Wodaso's Embrace and Monarch of the Void, left to right; Daji the Grasping appears in the centre.
On 2F, Rabios the Witness appears beside the lift. Climb the vines over the iron fence for Roasted Poultry; the orange seal left of it hides the Otherworldly Data Module, and the vines left of the seal lead to a Small Energy Cell.
The Eye of Silver, Beryl Chromobula and Tauropod only spawn once the Herald has been fought, so sweep every floor on the way down. In the basement, the hidden wall left of the blue plant roots in the left stalker cave holds the Raw Glaucusion.

Come back later for

Verdant Hollow: after the Herald falls, vines grow up beside the big bridge at the cliff-edge monument. The Bone Blade is halfway up, and Bipoum the Raging is on the platform opposite.
Memento Mirror and all eight mementos: forge Okbujo's Judgement in the hidden forge of Deimpo Mausoleum for Ending 3.
Use the Mask of Second Sight on any wall or gap that looks like a dead end; the tower's hidden routes are intentional.

Crystal Monuments and Wing Altar

Before Okbujo's Tree (Record of Sin)
Wing Altar - Record of Sin
Peak Antechamber (Record of Sin)

3 Silver Skulls here · 1 Orbewa Eggs here

The tracker lists all 18 entries in Record of Sin; the Tracker Pass adds where each skull, egg, book, vault and hidden enemy is and what you need to reach it.

Open the 100% tracker

Bosses

Boss	Life / ATK / weak to	Where and how
Herald of OkbujoRecord of Sin	9999 Life, 150 ATK no weakness	Record of Sin: at the very top of the Tower of Sin, one floor above the Peak Antechamber monument where the fourth lift stops. Beating it gives the Memento Mirror and grows the vine at the big bridge.

Weapons found here

Weapon	Type / power / speed	Where
Daji the Grasping		Record of Sin, cage room on 3F (left after two elevators): shelve, left to right, The Green Goddess, The Rotting God, Wodaso's Embrace, Monarch of the Void; it appears in the centre.
Rabios the Witness		Record of Sin, second floor, beside the elevator; it appears once the Herald of Okbujo has been beaten.
Okbujo's Gaze		Record of Sin, 4F near the summit antechamber monument: on the right of the hidden door; it appears after the Herald of Okbujo.

Enemies in Record of Sin

Stats from the in-game Bestiary. Weak to = takes extra damage from that type.

#	Enemy	Life	ATK	EXP	Weak to	Drops	Where
172	Lost Book Bug	200	68	520	–	Radiant Fruit, Panacea
173	Mystic Book Bug	300	67	938	–	Cleansing Flower, Royal Dried Herbs
174	Champion Keeper	850	87	1500	Pierce	Steel Ale, Spirit Oil
175	Vigilant Keeper	415	76	1250	Pierce	Large Elixir, Pungent Root
176	Eye of Silver	250	74	1063	–	Cleansing Flower, Travel Crystal Fragment	Hidden entry: location in the tracker
177	Beryl Chromobula	415	105	1063	Slash	Badu Powder, Cleansing Flower	Hidden entry: location in the tracker
178	Tauropod	660	89	1219	Pierce	Roasted Ojum Lizard, Grand Elixir	Hidden entry: location in the tracker
179	Stalker	450	111	1406	Pierce	Royal Dried Herbs, Rejuvenating Water
180	Raw Glaucusion	2100	107	3300	Slash	Berserker's Brew, Rejuvenating Water	Hidden entry: location in the tracker
181	Herald of Okbujo	9999	150	9999	–		Record of Sin boss.

Connected areas

Ancient WorldWave Cannon power tower

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