A Universal Time Update 6.4 is AUT’s Halloween patch. It adds Willow’s questline, two new codes (HEADSTART and SORRY4DELAY), the Event Ladder, the Accursed Lantern Subpower and two bosses, Grim and Hollow. I cross-checked every drop and quest step against the official Roblox page and the top guides, so you can finish the event fast. Here is the quick overview.
| Feature | What You Get |
|---|---|
| Willow’s Quest | Event Ladder + Halloween Unusual Reroller |
| Grim (boss) | Spawns every 1.5 hours at the Sinkhole |
| Hollow (boss) | Needs 1 Veilshard Fragment to summon |
| Codes | 2 active |
| Shinigami | Returning Halloween-exclusive ability |
A Universal Time Update 6.4 Guide
A Universal Time Update 6.4 Codes
| Code | Rewards | Status |
|---|---|---|
| HEADSTART | 200 uE | Active |
| SORRY4DELAY | Random skin from the 2025 Halloween Crate | Active |
Expired (older updates):
| Code | Previous Rewards | Status |
|---|---|---|
| THESLAYER | 1x Random Emote | Likely expired |
| HEIGHTOFMAGIC | 10 Trait Rerolls | Likely expired |
How to redeem:
join the Universe Time Studio Roblox group first, then:
- Launch A Universal Time.
- Click the two-stripes button (bottom-left).
- Open Shop, then the Miscellaneous tab.
- Paste the code and hit Redeem Code.
Check out our A Universal Time codes guide for more freebies.
New Locations
- Witch’s Hut: Willow starts the quest here.
- Sinkhole: Phantasm and Revenant spawn here, and Grim’s Arena is behind its gates.
- Hollow’s Garden: inside Knight’s Cavern.
- Champion’s District: Ignis is next to the big blue crack.
- Sewers: A Certain Pumpkin is at the very end.
How to Complete Willow’s Halloween Quest?
- Talk to Willow in the Witch’s Hut.
- Go to Hollow’s Garden, finish Hollow’s quest, then talk to him again.
- Return to Willow. She asks for three materials.
- Ignis: complete his quest for the Hollowed Frame.
- A Certain Pumpkin: complete the quest for the Luminous Soul.
- Kodama (near the Witch’s Hut): complete the quest for the Spectral Solvent.
- Give all three to Willow and you get the Hollowed Lantern.
- Defeat Grim, then return to Willow.
Pro tip: crafting Kodama’s required item (Green Senbei) before that quest stage does not count. Follow the dialogue order. The quest also has waypoints now.
Event Ladder and Unusual Reroller
Finishing the quest unlocks the Event Ladder. You deposit uE to climb stages, and you can refresh the ladder after completing a stage. uFragments drop at stages 3, 5, 7 and 10. The official page says you can earn 20+ free cosmetics from it.
The Halloween Unusual Reroller also costs uE and rerolls the patterns on the new Halloween skins. Plan your uE before spending it, since both systems use the same currency.
Accursed Lantern Subpower
Use the Hollowed Lantern on the Sinkhole gates to open the path to Grim’s Arena. You can repeat Willow’s lantern quest to put the Subpower on multiple abilities. Revenant only becomes vulnerable when hit with it.
Grim and Hollow Boss Drops
Grim (Sinkhole, every 1.5 hours):
| Reward | Chance / Note |
|---|---|
| Event currency | 500 (1st), 400 (2nd–3rd), 300 (4th–5th) |
| Random Halloween skin | 85%, top 3 only |
| Grim’s Scythe | 15% |
| Inhumane Spirit | 20% |
| Veilshard Fragment | 100%, top attacker only |
Hollow (needs Event Ladder, a chat with Hollow and 1 Veilshard Fragment):
| Reward | Chance / Note |
|---|---|
| Event currency | 250 (1st), 200 (2nd–3rd), 150 (4th–5th) |
| Random Kill Effect | 85%, top 3 only |
| Hollow’s Scythe | 15% |
| Cursed Apple | 20% |
| Pumpkin | 30% |
Inhumane Spirit and Cursed Apple are used to craft Shinigami, and Pumpkins raise its mastery. Since only the top attacker gets the Veilshard Fragment, my advice is to focus on damage rank.
New Skins, Charms and Emotes
Skins: Grim’s Scythe and Hollow’s Scythe (Reaper), Springtrap (D4C), Nightmare Foxy (Suna), Green Witch (The Last Great Mage), First Kindred (Blood Demon), StrΔwman (DELTA), Dullahan (Ope), Tuskenstein (Tusk Act 4), and Divinus (Shinigami, with a God of Death Pose). New Halloween skins are tradelocked for 3 days. Grim’s Scythe is Premium Shop-locked for 3 days and tradelocked for a week.
Charms: 21 Blood Moon, 22 Pumpkins, 23 Horns, 24 Hex.
Emotes: Fright Funk, Vengeful Spirit, Reanimated, Dracula, Thriller, Exclamation, Pumpkin, Animatronics. Trading now supports emotes.
Titles: one for completing Willow’s quest and one for defeating Grim, plus a new badge.
Key Balance Changes
- Whitesnake: most cooldowns now start after the move ends.
- Killer Queen: Bites the Dust now heals 10% HP and its cooldown is 80 seconds.
- Shinigami: Death Whisper slows enemies by 15%.
- Rokushiki: level requirements removed.
- Dawn: Radiance can no longer be blocked or countered.
FAQs
How do I unlock the Event Ladder in AUT 6.4?
Finish Willow’s questline and defeat Grim, then return to Willow.
How do I summon Hollow?
Unlock the Event Ladder, talk to Hollow again and use 1 Veilshard Fragment (dropped by Grim for the top attacker).
Are there new AUT codes in Update 6.4?
Yes: HEADSTART and SORRY4DELAY.
How often does Grim spawn?
Every 1.5 hours at the Sinkhole.
How do I make Revenant vulnerable?
Hit it with the Accursed Lantern Subpower.
Related Articles
