Friday Dungeon is a weekly event instance inside Geffen Tower. It runs on Fridays only. You and your party fight through endless respawning undead in a haunted Geffen interior, collect Craft Stones from treasure chests and kills, and use them to trigger boss spawns and enchant accessories outside.
âš ï¸This instance is only available on Fridays. On any other day Marry Jay will not let you in.
Requirements
| What | Details |
|---|---|
| Base Level | 130 minimum |
| Party | Must be in a party |
| Day | Friday only |
| Cooldown | 1 day (quest 12379) |
Speak to Marry Jay inside Geffen Tower to enter.
Marry Jay stands on the ground floor of Geffen Tower. She checks the day of the week and your level before creating the instance. The party leader talks to her to start. Once the instance is open every member selects "Enter" from the same NPC.
She sorts your group into the appropriate tier: levels 130-199 fight one set of monsters; levels 200 and above fight a harder version of the same monsters.
Kill monsters to fill the kill counter and collect Craft Stones.
Inside the instance the dungeon is full of undead that respawn 10 seconds after death. Your goal is to accumulate kills. Every 100 kills a treasure chest spawns at one of four fixed locations around the map. Each chest holds 5 to 9 Craft Stones.
Enemies on the map:
| Enemy | Notes |
|---|---|
| Nightmare | Undead, low-tier 130+ version or 200+ version |
| Jakk | Jack-o-lantern mob, mid-tier |
| Ghoul | Standard undead |
| Drainliar | Bat mob |
💡All monsters respawn constantly. There is no end condition besides boss kills. You can stay in as long as the 2-hour instance timer allows.Collect 10 Craft Stones and insert them into the Bizarre Sculpture to try to spawn the Lich King.
Once you have 10 Crafted Stone in your inventory, find the Bizarre Sculpture on the map and insert them. The sculpture gives a 10% chance to spawn the Lich King boss. On failure nothing happens and you can try again with another 10 stones.
The Lich King appears as a stronger version of the Nightmare mob scaled to your group's tier.
Kill the Lich King for bonus drops. The instance continues after the boss dies; you can keep farming.
Collect your remaining Craft Stones and visit the Amateur Collector outside to enchant accessories.
Outside Geffen Tower, next to Marry Jay, the Amateur Collector offers enchanting:
- Cost: 10 Craft Stones + 100,000 zeny per enchant attempt
- Success rate: 20% to 80% depending on the slot
- Reset is also available from the same NPC
Notes
- Fridays only. The NPC blocks entry on any other day.
- No end condition. The dungeon runs until the 2-hour timer expires. Leave when you have enough Craft Stones.
- Two tiers. 130-199 and 200+ each have their own mob versions. Party members in different brackets fight the same map but may see level-scaled variants.
- Cooldown is daily. Quest 12379 tracks it. You can re-enter on the following Friday once the cooldown clears.
- Boss is optional. You don't have to attempt the Lich King. Farming chests and enchanting with the Amateur Collector is the main reason to run this instance.