OSRS community events: Vampyre Snail Mass (Aug 28) and Nightmare Mass (Sep 25)
Two official OSRS community events are coming up: the Vampyre Snail Mass on 28 August 2026 at 15:00 UTC, hosted by Mods Acorn & Lenny on world 520 (requires access to Vampyrium); and the Nightmare Mass on 25 September 2026 at 15:00 UTC, hosted with endgame PvM creator Widega across worlds 505-525 (requires access to Slepe). Both events will be streamed on the official OSRS Twitch channel.
Key takeaways
- Vampyre Snail Mass: 28 August 2026, 15:00 UTC, world 520, with Mods Acorn & Lenny.
- Nightmare Mass: 25 September 2026, 15:00 UTC, worlds 505-525, with guest creator Widega.
- Vampyre Snail requires access to Vampyrium; Nightmare requires access to Slepe.
- Both events will be streamed live on the official OSRS Twitch channel.
- A Bando Mass is also scheduled for 24 September 2026 at 01:00 UTC via the Official Discord.
Vampyre Snail Mass — 28 August 2026
The Vampyre Snail Mass is scheduled for 28 August 2026 at 15:00 UTC on world 520, hosted by Mods Acorn & Lenny. The event will be streamed live on the official Old School RuneScape Twitch channel. Players need access to Vampyrium to participate in the fight. The Vampyre Snail is a slimy creature that has stirred in the Sotfa Forest, and this mass event is a chance for the community to take it on together.
Nightmare Mass — 25 September 2026
The Nightmare Mass is scheduled for 25 September 2026 at 15:00 UTC, hosted with endgame PvM creator Widega. The event will span worlds 505-525, with up to 80 players battling in each encounter. It will be streamed on the official OSRS Twitch channel.
Widega is an accomplished PvM player with achievements including reaching Delve wave 221, defeating Awakened Vardorvis with only 1 prayer point (using only thralls and recoils for damage), and completing Awakened Leviathan with only 1 pray point and no stuns. Players need access to Slepe to participate.
- 25 September 2026, 15:00 UTC, worlds 505-525
- Up to 80 players per encounter
- Hosted with endgame PvM creator Widega
- Requires access to Slepe
- Live on the official OSRS Twitch channel
Additional community events
A Bando Mass is also scheduled for 24 September 2026 at 01:00 UTC, hosted via the Official OSRS Discord server's community events programme. Players can keep up to date with all Official Discord Server community events through the dedicated events channel.
These events are part of Jagex's Organised Chaos initiative, which brings the OSRS community together for mass boss fights, skill 'n' chill sessions, and other social activities.
Questions players ask
When is the Vampyre Snail Mass?+
The Vampyre Snail Mass is on 28 August 2026 at 15:00 UTC on world 520.
When is the Nightmare Mass?+
The Nightmare Mass is on 25 September 2026 at 15:00 UTC across worlds 505-525.
What do I need to participate in the Vampyre Snail Mass?+
You need access to Vampyrium to participate in the Vampyre Snail fight.
What do I need to participate in the Nightmare Mass?+
You need access to Slepe to participate in the Nightmare fight.
Where can I watch these events?+
Both events will be streamed live on the official Old School RuneScape Twitch channel.
Sources and verification
These references support the game mechanic or live-data boundary described above. Check the current source before a large in-game decision.
Independent fan-made OSRS content. No Jagex affiliation or endorsement.