Ouwigahara, the level 65 dungeon

Ouwigahara is an endless climb. You fight floor after floor of demons, pick a card between floors, and bank tower points until your hearts run out. The points buy experience, mastery, Wen and ore in its hub, and they are the only way to pay for a V2 weapon. syoct says the game never tells you it exists: a blacksmith opens it at level 65.

Opening it once, then queueing from the menu

The first time

Reach level 65 and find Blacksmith Togane in Hidden Mist Village. Creators describe dropping down to a lower level of the village to reach his forge.
Pick Your other forge, then Ill find the forge(Lv 65). The quest is The Forge Above, and its only step is Ouwigahara portal opened.
Walk to the purple portal past Final Selection Plains and press T at the Ouwigahara prompt. The route from the Mistfall Harbor shrine is on the map page.

Every run after that

Open the main menu and pick the Ouwigahara Normal tile. Ranked Off sits to the left of QUEUE; turn it on and the run counts for the hub’s season leaderboard. Creators who used it say you no longer have to walk back to the portal.

The game's mode menu with five tiles, one of them highlighted, and a queue button under it — The main menu's mode tiles: `1v1`, `3v3`, `Ouwigahara Normal`, `2v2`, `Zenith`. Under the selected one: `Ranked Off`, `QUEUE`, `Fill Off`.
Frame at 4:02 of *How to Farm Dungeon Points FAST in Slayer 2*, recorded by Ashira RBX — a player’s video, not an official image

A player in a forge talking to Blacksmith Togane, a level 65 option highlighted — `Blacksmith Togane`: `Trouble is the portal past the plains. Shut for years. Go and open it.` The highlighted option is `Ill find the forge(Lv 65)`. The yellow heading is the creator's overlay.
Frame at 5:19 of *The ULTIMATE End Game Guide for Project Slayers 2! (V2 Weps, Nightfall/Firstlight, Dungeons)*, recorded by syoct — a player’s video, not an official image

A player in front of a huge swirling purple portal, an enter prompt beside it — The prompt reads `Ouwigahara` over `T` `Enter`. The minimap in the top right labels `The White Terror Lair` and `…Selection Plains`. The yellow heading is the creator's overlay.
Frame at 6:04 of *The ULTIMATE End Game Guide for Project Slayers 2! (V2 Weps, Nightfall/Firstlight, Dungeons)*, recorded by syoct — a player’s video, not an official image

One run, floor by floor

No recording shows a time limit. The clock at the top counts up, next to the floor number and how many enemies are left. A Normal run gives you three hearts, shown bottom-left. tana and Ashira RBX both say Ranked gives you one.

In the hub
Stand in the inner portal. A short countdown starts and counts the players who are ready, so a party can climb together.
The portal inside the hub: Normal climb starting, 14, 1 player ready. The yellow heading is the creator's.
Frame at 6:19 of The ULTIMATE End Game Guide for Project Slayers 2! (V2 Weps, Nightfall/Firstlight, Dungeons), recorded by syoct — a player’s video, not an official image
After every floor
A hand of cards, and solo you keep two of them within the 30-second bar. Some cards are a permanent stat bump for the run, some heal, some add points straight to your score. Reroll redeals the hand if you have a ticket.
Solo: pick 1 of 2, with 28 seconds left: Second Wind, Max Stamina +15, Tectonic Shift, Greater Trophy +375, +2 Rerolls, and a Reroll button. Below: Floor 1, 20s, Best 82, 0 caches.
Frame at 3:38 of THEY JUST MADE DUNGEONS INSANE IN PROJECT SLAYERS 2..., recorded by Balboabtw — a player’s video, not an official image
Floor 10
The first boss floor. In syoct’s run it is a Hand Demon, the same kind as the one in Final Selection, with no drop list on its bar. Then a milestone hand, which can add a harder rule for the next floor in exchange for more points (the three cards are below).
Floor 10, 6:22, 1 left: a Hand Demon with a small bar over its head and no drop list. Three red hearts sit bottom-left. The yellow heading is the creator's.
Frame at 8:48 of The ULTIMATE End Game Guide for Project Slayers 2! (V2 Weps, Nightfall/Firstlight, Dungeons), recorded by syoct — a player’s video, not an official image
Floor 42
syoct is here after 48:38 with 101,639 points, enough for one V2 craft. Creators say a boss spawns every ten floors, and tana warns that by around floor 80 the Yetis are blowing things up.
Floor 42, 48:38, Next wave in 9. The points panel top-right reads 101,639. The yellow heading is the creator's.
Frame at 12:19 of The ULTIMATE End Game Guide for Project Slayers 2! (V2 Weps, Nightfall/Firstlight, Dungeons), recorded by syoct — a player’s video, not an official image
When your hearts run out
You land back in the hub with a banner: floor reached, time, points, and how many caches you earned. A cache is a free chest for every ten floors, added in the developer’s V.12 patch (the change-log is on screen at 0:45 of Balboabtw’s video). Balboabtw died on floor 10 and found the chest waiting. Ashira RBX’s floor 77 run shows 7 caches.
Back in the hub after dying: Floor 10 reached, 4:20, 2,651 points, Best 82, 1 cache. The open chest gave Coin three times. Above: Milestone: pick 3 of 4.
Frame at 7:52 of THEY JUST MADE DUNGEONS INSANE IN PROJECT SLAYERS 2..., recorded by Balboabtw — a player’s video, not an official image

Milestone event cards

Card	Points	What the card says
No Guard	x1.3	Next floor nobody in the party can block. That floor pays 1.3x points.
Fog of War	x1.2	Next floor enemies have no outline marking them. That floor pays 1.2x points.
Marathon	x1.15	Maps change half as often: each map lasts twice as many floors before its milestone hand. Every floor pays 1.15x points.

These three are the ones readable in full on screen. In the milestone hands on record, Skip is the fourth choice. syoct warns that No Guard gets you infinitely comboed.

Four large cards on screen, three of them offering a points multiplier for a harder floor — A milestone hand on `Floor 10` at `7:31`: `Skip` (`No event this floor.`), `No Guard, x1.3 points`, `Fog of War, x1.2 points`, `Marathon, x1.15 points`. The yellow heading is the creator's.
Frame at 9:20 of *The ULTIMATE End Game Guide for Project Slayers 2! (V2 Weps, Nightfall/Firstlight, Dungeons)*, recorded by syoct — a player’s video, not an official image

Spend it before you queue again

After a run, the counter on your screen equals that run’s total. noahbamboah says the points do not stay, and syoct puts the same warning on screen, so plan the whole basket from one run. The planner uses the prices printed in the hub.

Points on your counter after the run

Or start from a run on record:

A V2 craft alone takes 90,000, and creators say points do not carry over to the next run, so that has to come out of a single climb.

What the hub sells for points

One V2 weapon craftNichirin Forge · 90,000Plus 500 Metal Scraps, 10 Mythic Refinement Ore and 300 Silk Thread, and the base weapon in your hand.0
Ouwigahara ChestHub courtyard · 30,000Random loot; see the pop-ups below.0
Pink ore (right of the shelf)Changer Zeni · 30,000No name on the shelf. Its icon matches the Mythic Refinement Ore a V2 recipe asks for ten of.0
Experience itemTower Crystal · 3,500The amount of experience is not printed.0
One mastery levelTower Crystal · 3,000For any weapon or power you own.0
1,000 WenChanger Zeni · 2,500The rate since the V.12 patch.0
Grey ore (middle of the shelf)Changer Zeni · 1,500No name on the shelf.0

A blue crystal stall with twelve item icons priced at 3,000 each, and a run summary banner above — `Tower Crystal`: `Trade your tower points for mastery in any weapon or power you own.` Twelve icons at `3,000` each. The banner above: `Floor 77 reached`, `2:18:53`, `442,794 points`, `New best`, `7 caches`.
Frame at 12:05 of *How to Farm Dungeon Points FAST in Slayer 2*, recorded by Ashira RBX — a player’s video, not an official image

A stall in the hub with three shelf items and a dialog box — `Changer Zeni`: `I trade tower points for Wen and refinement ore. Pick what you want from the shelf.` Shelf: `2,500` (`1,000 Wen`), `1,500`, `30,000`. The counter reads `2,651`.
Frame at 8:08 of *THEY JUST MADE DUNGEONS INSANE IN PROJECT SLAYERS 2...*, recorded by Balboabtw — a player’s video, not an official image

The Wen rate is the V.12 one; in a video from before that patch Balboabtw calls the old 500 Wen stupid. Two ores on Changer Zeni’s shelf carry no name, only an icon. The hub’s alchemist shelf shows Wen prices only in this recording; at his Mistfall Harbor shelf the same elixirs also cost Demon Horns, two per Health Elixir.

The chest, and the Nightfall drops

The Ouwigahara Chest in the courtyard opens for 30,000 points. What comes out is mixed: accessories, potions, coin pouches, and the Metal Scraps and Silk Thread a V2 recipe eats. Now and then a Nightfall Forged Ingot. Its use is not printed: the Nightfall Katana’s second tier asks for two Nightfall materials whose names are cut off on screen, and this is probably one of them. Two hats that block the sun for demons, the Straw Fringe Hat and the Flame Amigasa, also come from this chest; see the sun immunity hat page.

Balboabtw and UnoTwo both put Nightfall materials at about 5% a chest, and Balboabtw says normal world chests drop them less often. The game’s Archives card for the Firstlight Forged Ingot backs that pattern with printed numbers: 5% from the Ouwigahara Chest, 2% from a World Events Chest. No card for the Nightfall materials has been shown yet. syoct calls the chest a scam at 30,000 points; UnoTwo opens thirty with a luck boost running.

A player next to a large black chest in a stone courtyard, with an open prompt — `Ouwigahara Chest`, `Open (30,000 points)`. The yellow heading is the creator's.
Frame at 10:04 of *The ULTIMATE End Game Guide for Project Slayers 2! (V2 Weps, Nightfall/Firstlight, Dungeons)*, recorded by syoct — a player’s video, not an official image

A column of item pop-ups beside a player who has just opened a chest — One chest's pop-ups: `Azure Drape Scarf` (`NEW!`), `Coin Pouch`, `Eye Sash`, `Health Regen Potion`, `Metal Scraps x19`, `Mimic Necklace`, `Nichirin Lantern` (`NEW!`), `Red Oni Mask`, `Silk Thread x20`. The `chest: 23-29` count is the creator's.
Frame at 4:48 of *OPENING 30+ OUWIGAHARA CHEST WITH x4 LUCK In Project Slayers 2...*, recorded by UnoTwo — a player’s video, not an official image

An item lying on the ground next to a player, with a claim prompt — On the ground: `Nightfall Forged Ingot`, `Claim`. The `chest: 23-29` count is the creator's.
Frame at 5:18 of *OPENING 30+ OUWIGAHARA CHEST WITH x4 LUCK In Project Slayers 2...*, recorded by UnoTwo — a player’s video, not an official image

The points buy V2 weapons

The Nichirin Forge stall in the hub turns a base weapon into its V2 for 90,000 points plus 500 Metal Scraps, 10 Mythic Refinement Ore and 300 Silk Thread. The points come off the run’s total: syoct’s counter drops from 101,639 to 11,639 when he crafts. A guide that says you earn 90,000 once to “unlock” V2 has it wrong; it is the price of each craft. Every weapon line and its tiers are on the weapons page, and the Insect line is worked through on Insect Breathing.

What the long-run players say

Stats first, points later. tana, noahbamboah and Ashira RBX take the cards that make them tougher on early floors and the point cards once the numbers get big. Brx argues the opposite for long runs.
Skip attack speed. tana says he does not need it, because his damage comes from his ultimate move.
Bring moves, not just M1. syoct says to have all four skills you can get before the ultimate; you do not need the ultimate itself.
Duo spawns more. noahbamboah notes that in solo some waves hold six enemies but only four spawn at a time, and says duo is even better.

How to Farm Dungeon Points FAST in Slayer 2
Recorded by Ashira RBX on YouTube, a player’s video, not an official one
Queue from the menu, a climb to floor 77, and the Tower Crystal's mastery shelf.

Where the dungeon fits between the other level 65 jobs is on the leveling page.