Chambers of Xeric Challenge Mode 5-man prep

Challenge Mode Chambers of Xeric

CM 5's Prep

This OSRS raid guide from the Infernal clan covers 5-man Chambers of Xeric CM prep. Gear, inventory, and role suggestions for CoX 5s. Expect 2–3 raids an hour and ~25% chance at one roll of a purple, around 13m gp/h.

Overview

Top level: Tekton, Crabs, Scavs, Ice Demon, Lizardman Shamans, Prep
Middle level: Vanguards, Thieving, Vespula, Tightrope
Bottom level: Guardians, Vasa Nistirio, Skeletal Mystics, Muttadiles
Boss: The Great Olm

Prep Role

Chambers of Xeric CM 5s prep role setup
• Tekton — Maul/Scythe Tekton, take all pots • Crabs — Last into Crabs, all overload/enh in crabs • Scavs — Kill Scavs: 2 planks, 32+ juice, 12+ mushroom, drop pots @ chest • Ice Demon — Emberlight Ice • Shamans — ZCB/TBow Shamans • Buchu — Plant buchu north and go straight to vangs • Vanguards — Suicide at 30% Vangs • Thieving — Prep during this room • Vespula — Prep during this room • Tightrope — Relog after to join team • Guardians — Veng Team, Kill Guardians • Vasa — ZCB/TBow Vasa • Mystics — ZCB/TBow Mystics • Muttadile — Shadow Baby, TBow/Ralos ZCB Surge pot Mumma • Olm — Run Head Role. Maul Melee hand, Hybrid P3 if needed, Ralos Head

Surge TG/Horn

Surge TG Horn
• Tekton — Maul/Scythe Tekton • Crabs — 1st/2nd into crabs • Scavs — Rush Ice Demon/Ferry pots to SS tiles • Ice Demon — Surge Ice Demon • Shamans — ZCB/TBow Shamans. Don't let them jump! • Buchu — Plant buchu South and go straight to vangs • Vanguards — Don't Reset! Stay range vang and use HORN • Thieving — Thieve on the way to Trough, dump another 10+ • Vespula — ZCB/Shadow, Redemption using enh • Tightrope — Do not be late! TeleGrab crystal • Guardians — Team, Kill Guardians • Vasa — ZCB/TBow Vasa • Mystics — ZCB/TBow Mystics • Muttadile — ZCB/Shadow Surge pot Baby, TBow Mumma • Olm — Run Head Role. HORN Melee hand, Hybrid P3 if needed, Head ZCB

Surge Tangle/BGS/ZGS

Surge BGS ZGS Tangle
• Tekton — BGS/Scythe Tekton • Crabs — 1st/2nd into crabs • Scavs — Rush Ice Demon/Ferry pots to SS tiles • Ice Demon — Surge Ice Demon • Shamans — ZCB/TBow Shamans. Don't let them jump! • Buchu — Rush Vanguards • Vanguards — 1st in goes Far east 2nd in North! Don't Reset! • Thieving — Thieve on the way to Trough, dump another 10+, 4–5 inven spaces for Vesp pots • Vespula — ZCB/Shadow, Redemption using enh • Tightrope — Pick up pots • Guardians — Team, Kill Guardians • Vasa — ZCB/TBow Vasa • Mystics — TBow Mystics, DO NOT ZCB • Muttadile — ZCB/Shadow Entangle Surge pot Baby, TBow/ZGS Mumma • Olm — Melee Hand Role. BGS Melee hand, ZCB Head

Surge TG/Chin

Surge TG Chins
• Tekton — Maul/Scythe Tekton • Crabs — 1st/2nd into crabs • Scavs — Rush Ice Demon/Ferry pots to SS tiles • Ice Demon — Surge Ice Demon • Shamans — ZCB/TBow Shamans. Don't let them jump! • Buchu — Go straight to vangs • Vanguards — 1st in goes Far east 2nd in North! Don't Reset! • Thieving — Thieve on the way to Trough, dump another 10+ • Vespula — ZCB/Shadow, Redemption using enh • Tightrope — Chin role. Do not be late! Rangers, keep Crosser alive! • Guardians — Team, Kill Guardians • Vasa — ZCB/TBow Vasa • Mystics — ZCB/TBow Mystics • Muttadile — ZCB/Shadow Surge pot Baby, TBow Mumma • Olm — Mage Skip Role. Maul Melee hand, Head ZCB

Veng Role

Veng Role
• Tekton — Maul/Scythe Tekton • Crabs — 1st/2nd into crabs • Scavs — Rush Ice Demon/Ferry pots to SS tiles • Ice Demon — Emberlight Ice • Shamans — ZCB/TBow Shamans. Don't let them jump! • Buchu — Go straight to vangs • Vanguards — 1st in goes Far east 2nd in North! Don't Reset! • Thieving — Thieve on the way to Trough, dump another 10+ • Vespula — ZCB/Shadow, Redemption using enh • Tightrope — Start Venging members • Guardians — Veng Team, Kill Guardians • Vasa — ZCB/TBow Vasa • Mystics — ZCB/TBow Mystics • Muttadile — ZCB/Shadow Surge pot Baby, TBow Mumma • Olm — Run Head Role. Maul Melee hand, Hybrid P3 if needed, Head ZCB
CoX CM prepots inventory

Prepots

Prayer Regeneration potion coupled with Prayer Enhance removes the need for any restores before Vespula.

Top level — Tekton, Crabs, Scavs, Ice Demon, Shamans, Prep

Tekton
• Entangle: Start raid, run to Start tile, drop an item, equip BGS, run back to Lure tile, wait for Maul specs. Back up BGS if <0 • Prep/TeleGrab: Run in to Wait tile, drop an item, equip Maul. As soon as Tekton moves, click to dump specs • Prep: Re-venge yourself. Pick up 1 ovl, 1 enh and run to crabs, sip enhance • Entangle/TeleGrab: Do not take hits without Protect Melee. Rush crabs when Tekton dies, equip Lightbearer
Crabs

1st Person POV · 2nd Person POV · 3rd Person POV (coming)

Scavs
• Entangle/TeleGrab: Ignore Scavs and run to Ice • Prep: Kill scavs for 2 planks, 12 mushroom, 32 juice. Take planks and make chest in ice. Drop Overload, Enhance and Lockpicks on chest tile. Run back for mushroom and juice and ferry any other dropped potions to chest for Choppers
Ice Demon
• Drop 1/2 pot by Tinderbox and pick up • Chop and move through room, dump in front brazier at 21+ • If 20 chop once more. If 21, brazier • Sip and drop overload as you pass it, while running back to dropped pots • Equip mage gear and stand north safespot, ready to burn down Ice Demon • Chop cycle
Shamans
• Everyone enter and attack closest, ZCB spec first hit • Do not let Shamans jump! • Do not overkill, move to another and let tank finish • Prep: Drop any brews left for Vang rushers. Pick up Buchu seeds
Prep
• Entangle/TeleGrab/Veng: Rush Vangs • Prep: Plant Buchu in both patches. Bank all, withdraw pouch and spade. 2x Pick lots vials, humidify to fill and bank vials. Pick 12 Mushroom 12 Herbs make revits, pick-cleaning to save time. Pick Herbs, Make brews. Bank all and withdraw brews. Run through Vangs making second inventory of brews, ensuring space to pick up pots

Middle level — Vanguards, Thieving, Vespula, Tightrope

Vanguards
• First in runs north, second south • Melee Vang: Let melee hit you once to keep agro. Use corner/lure spots. Can hit other Vanguards if melee is lured • Mage Vang: TBow, ZCB spec early in room if highest hp • Range Vang: Scythe/Ultor. Horn role: horn scy horn scy horn scy, SURGEPOT. Stand under Range, won't move • Roles: Pick up Pots, Overload and Enhance priority. Prep: Collect any remaining Brews/Restores as you run through
Thieving
• Make inventory space, thieve on way to chest. ~21 grubs • Thieve as you make your way across to trough • Sip and drop overload and enhance at chest • Dump another ~10 grubs each • Prep/Entangle: Withdraw 1 Brew and 1 Restore to sip AFTER Vespula • Entangle: Ensure 4/5 inventory spaces to collect Vespula pots
Vespula
• TBow entry into Vesp, fire bow once, switch to ZCB and spec, then Shadow max mage • Use Redemption + Augury, Enhance will be enough to regen prayer when you proc • Entangle/Prep/Veng: Run to Tightrope, brewing back to full and take 3 Brews, 1 Restore from chest • TeleGrab: Pick up Vesp pots, prioritise Overload, Enhance and Brews. Do not be late to Tightrope
Tightrope
• Prep: Equip Torva, pray range and tag rangers. Throw chins to keep agro and brew. DO NOT LET CROSSER DIE! • Entangle: Equip Masori, ZCB and Defender, pray mage and augury, cross when rangers tagged. Pick up and instadrop crystal, cross back • TeleGrab: Run in from Vesp, make sure inventory space for crystal. Telegrab crystal and leave room • Veng: Start Venging members

Bottom level — Guardians, Vasa, Mystics, Muttadile

Guardians
• Equip Ultor ring, switch back to Lightbearer at Vasa • Brew on 15s to go into Vasa at 118hp • Do not overkill one guardian, keep their hp equal • TeleGrab: Drop Vesp pots in the middle if anyone needs • Prep/Veng: Keep Venging team during room
Vasa
• TBow into ZCB spec, switch to TBow and 5t your bow • Take first veng hit, DON'T USE PROTECTION PRAYERS to ensure 1 Down Vasa • TeleGrab: Telegrab overload/brews as you leave the room
Mystics
• Sip and drop overload and enhance • Get ZCB specs off on first two mystics (don't have enough regen if ZGSing Mumma Muttadile) • No need to drag first mystic to corner trap. Corner trap last two if easy • Tendril Skip!
Muttadile
• Tendril Skip, ZCB entry into Shadow Baby Mutta • Swap to Range gear and stand by Mummadile spawn • Entangle/TeleGrab: Entangle Baby after ZCB entry. Pick up overload and enhance • ZGS: Swap to Max Melee after 2 TBow hits, land ZGS spec on Mummadile. Grab all 4 Mumma pots • HORN: 2 TBow hits then horn. Ralos: Hit Mummadile

The Great Olm

Banking

Right-click chest as you run to it

Deposit
• Entangle: Defender, Ultor, Salve, Pickaxe, ZGS • TeleGrab: Defender, Ultor, Salve, Pickaxe • Prep: Defender, Salve, Pickaxe
Withdraw

1 ovl, 1 enh, 2 rev, 5–6 brews. Go straight in.

Olm Roles
• Entangle: Melee Hand BGS. TeleGrab: Mage Skip. Prep: Runner, Hybrid P3 if required. Veng: Runner, Hybrid P3 if required • Phase 1: Prep Runner hits Melee hand with maul, runs to Mage side to set/run. TeleGrab Mage Skip: Horn at Thumb, run to Mage side to skip • Phase 2: All hit Melee hand with maul, run to Mage side. Entangle: BGS when hand uncripples • Phase 3: All start on Melee side. 3 Maul spec, BGS spec. Run on Crystals. Prep: Drop spare brews, hybrid hands if needed. Ralos spec as soon as P3 ends • Head: Prep/Veng run head and keep it center. Entangle: Melee side against wall. TeleGrab: Mage side against wall. ZCB when you can, stay alive!

Thanks to iMax225 for the basis of this guide, Bls-Eotb and Spleev for updating it, 69th brother for formatting.

Update log: 31/12/25 — Guide Updated