OSRS Raids Explained: Chambers, Theatre, and Tombs Compared

What Are the OSRS Raids?

OSRS has three raids, each a distinct multi-phase PvM instance with endgame-tier rewards. They released in order over an 8-year span — Chambers of Xeric in 2018, Theatre of Blood in 2019, Tombs of Amascut in 2022. Each raid introduced a new tier-1 BiS weapon that redefined endgame PvM meta.

What's the Best OSRS Raid for Beginners?

Tombs of Amascut. The difficulty scales with an "invocation" system — you customize the raid's difficulty by enabling specific modifiers for higher loot chance. Entry level (0 invocation) is mechanically trivial; a player can learn ToA at 0-150 invocation while still earning meaningful drops, then scale up.

Why ToA wins for beginners over Chambers or Theatre:

• Configurable difficulty — you don't need to match group skill level
• Solo viable — run at your own pace without matchmaking
• No instant-death mechanics — mistakes lower your reward but don't end the raid
• Forgiving learning curve — deaths at sub-300 invocation lose a safety fragment, not the whole run

Chambers is next-easiest; Theatre is the hardest for new raiders because of its strict mechanics and no solo option.

What's the Difficulty Curve Between Chambers, Theatre, and Tombs?

Chambers of Xeric (CoX)

Difficulty: Moderate — requires prayer flicking and cycle management in the final boss fight.

Structure: Procedural dungeon with 3-5 randomized rooms (scavengers, crabs, skills rooms like Thieving, Agility, or Fishing) leading to Olmos the Great Raid Boss. Olmos has two phases with elemental-type rotation — you flick Melee/Range/Magic prayer based on his phase.

Entry bar: Fire cape + mid-game ranged gear (Toxic blowpipe + Armadyl) + 94+ Prayer is the learning-level requirement. Entry to good rates needs a Twisted bow eventually — it's a chicken-and-egg grind.

Unique loot: Twisted bow, Ancestral robe top set, Dragon claws, Kodai wand-alternatives, Dinh's bulwark (various rare items).

Theatre of Blood (ToB)

Difficulty: Hardest of the three, especially for non-scaled groups. Requires mastered prayer swaps, specific kill orders, and zero room for tanking.

Structure: Six linear fights — Maiden of Sugadinti, Bloat, Nylocas, Sotetseg, Xarpus, Verzik Vitur. Each requires specific mechanics (Maiden's blood splats, Bloat flinching, Nylo swaps, Sotetseg maze). Wipe on any phase = whole run lost.

Entry bar: Melee BiS-adjacent. Ghrazi rapier + Bandos (mid-game entry) or Scythe of Vitur + Torva (endgame). Party of 3-5 players required — typically 5-man for loot efficiency.

Unique loot: Scythe of Vitur, Ghrazi rapier, Sanguinesti staff, Justiciar faceguard set, Ring of suffering (before imbue).

Tombs of Amascut (ToA)

Difficulty: Configurable — the only raid where you pick your own difficulty via invocations.

Structure: Select 3 of 4 optional path rooms (Apmeken/monkeys, Scabaras/Scarabs, Het/Elementals, Crondis/Crocs), then the finale fight against Akkha, followed by Zebak, Kephri, and Ba-Ba-like bosses. Ends at the Wardens (final fight).

Entry bar: 90+ Magic + mid-game mage gear for sub-200 invocation. 95+ Magic + endgame kit for 300-500 invocation. Tumeken's shadow for 500+ invocation where Shadow damage scaling becomes critical.

Unique loot: Tumeken's shadow, Masori mask f / Masori body f / Masori chaps f set, Lightbearer-style rings, Osmumten's fang.

How Much GP Per Hour Does Each Raid Make?

Realistic numbers in 2026 for experienced raiders:

Which Raid Should I Focus On First?

Depends on your current gear. The honest answer by starting state:

If You Have a Blowpipe + Armadyl + Mid-Game Ranged

Start with ToA at 150-200 invocation. Sub-Purple loot (supplies, clues, secondary items) funds your Masori grind. Once you unlock 300 invocation and have a Twisted bow from CoX, transition to CoX primary.

If You Have a Scythe of Vitur + Torva

Theatre of Blood 5-man. Scythe + Torva is the highest-efficiency ToB kit; you'll outperform slower teams and accumulate purples fast. Also the most profitable per-hour at team level.

If You Have Shadow + Ancestral

Tombs of Amascut 500+ invocation. Shadow's 3x magic damage multiplier makes high-invocation ToA the best per-hour GP in the game for an endgame mage. Expected GP/hour: 10-12M solo, higher in efficient teams.

What Skills Do I Need for OSRS Raids?

Required minimums for each raid to be viable (not speedrun-tier):

How Long Does It Take to Learn a Raid?

Realistic learning timelines from zero raid experience:

What Is Theatre of Blood Entry Mode?

Entry mode is the tutorial version of ToB. It's the same six phases with significantly reduced boss HP and damage, making it viable for solo practice. Loot is severely reduced (non-unique supplies only, no raid purples), so it's learning-only, not GP/hour content.

Use Entry mode to learn:

• Maiden blood splats and flinch patterns
• Bloat flinching and run-cycle management
• Nylocas prayer + style swaps
• Sotetseg maze
• Xarpus heal denial
• Verzik phase transitions

After 10-20 Entry mode runs, graduate to regular mode with a learning team.

Can I Do OSRS Raids Solo?

• ToA: Fully solo, as designed. Every invocation level supports solo play.
• CoX: Solo-viable, especially with Twisted bow. Rates are slower than teams but less coordination-dependent.
• ToB: No solo option in regular mode. Entry mode supports solo for learning, but regular mode requires a party of 3-5 players.

This is a major factor in which raid to invest in. If you play primarily solo, ToA is your primary raid and CoX is your secondary. ToB requires consistent team availability.

What's the ToA Invocation System?

Invocations are optional modifiers you enable at the start of each ToA raid. Each modifier adds difficulty in exchange for a percentage loot boost. You can enable anywhere from 0% (easy) to 700+% (expert-level).

Three categories of invocations:

• Room modifiers — changes specific room mechanics (Extra damage from Akkha orbs, etc.)
• Path modifiers — affects non-boss rooms
• Boss modifiers — affects final boss fights

Breakpoints matter for loot:

• 150 invocation — standard entry for efficient loot
• 300 invocation — Purple drops scale meaningfully here
• 500 invocation — High Purple drop chance; Shadow/Tumeken's guardian rolls
• 540+ invocation — Access to all top-tier loot; Combat Achievement masterclass tasks

How Do I Find a Team for OSRS Raids?

Main avenues:

• OSRS clan chats — most progression clans run nightly raid learning and progression splits
• Discord servers — ToB-specific servers (r/2007scape) and ToA/CoX progression servers
• In-game world 417, 418 — unofficial raid worlds where players gather
• Friends Chat (FC) — smaller groups that rotate membership

For learning specifically, "chill" or "learner" clans are preferable to "fast"/"split" teams — the former prioritizes practice over speed; the latter expects mechanical competence.

Chambers of Xeric (CoX) Detailed Walkthrough

The Procedural Room System

CoX generates 3-5 rooms before the final boss. Rooms rotate between:

Olmos the Great Raid Boss

The final boss. Three phases:

CoX Team Roles

Theatre of Blood (ToB) Boss-by-Boss Guide

Maiden of Sugadinti

Bloat

Nylocas

Sotetseg

Xarpus

Verzik Vitur

Tombs of Amascut (ToA) Room Walkthrough

The 4 Optional Path Rooms

Pick 3 of 4 before fighting Akkha:

The 4 Boss Fights

Common Raid Wipes and Fixes

What's the Farming Strategy for Clears?

Once you can clear a raid, the goal shifts from "beat it" to "farm it efficiently." Time-per-kill is now the metric:

Top-5% clear times require coordinated static groups running the same raid for 100+ hours. Not a requirement for loot accumulation — most players are fine at "efficient farm" pace.

Mod Recommendations for Raiders

Raid Split Etiquette

When raiding with random teams, split rules matter:

Related Reading

• OSRS Money Making Guide — GP to fund your raid gear grind
• OSRS Bossing Gear Progression — full gear tier ladder
• OSRS Skill Training — combat stats for raid viability
• OSRS Combat Achievements — post-raid tasks and rewards