Arch-Glacor
Arch-Glacor is a level 7,000 members boss found in Misthalin, with 370,000 life points. It is the top source of Dark nilas, Glacor core and Arch-Glacor core.
“A colossal ice elemental from the frozen world of Leng.”
Level 7000MembersAggressiveAttacks with magic
Updated . Stats and drops from the RuneScape Wiki's monster and drop data (CC BY-NC-SA 3.0), checked 2026-10-09. Wiki page. Item sprites © Jagex.
Arch-Glacor is boss #11 (high tier) in our RS3 Ironman boss order, with the stat and quest gates to meet first and the drops worth chasing.
Combat stats
- Combat level
- 7000
- Life points
- 370,000
- Combat XP per kill
- 18,500
- Max hit
- 1,368
- Armour
- 1,694
- Attack style
- Magic
- Weakness
- None
- Immune to
- Stuns
- Aggressive
- Yes
- Poisonous
- No
Slayer
- Slayer level
- None needed
- Slayer XP per kill
- 4,810
- Task
- Glacors
- Assigned by
- Kuradal, Morvran, Laniakea, Mandrith
Where
Misthalin
Ironman notes
- Counts as a Slayer task from Kuradal, Morvran, Laniakea and Mandrith (task: glacors). Killing it on task earns Slayer XP and points.
- Immune to stuns.
- Aggressive: it attacks on sight, which is handy for AFK kills once your gear outclasses it.
Best for
Only from this monster
No other monster drops these.
- Dark nilas1/100
- Glacor core1/1,000
- Arch-Glacor core1/500
- Leng artefact1/1,725.6
- Scripture of Wen1/1,725.6
- Frozen core of Leng1/2,732.2
- Manuscript of WenCommon
- Medium blunt orikalkum salvageUncommon
Best drop rate anywhere
Of every monster that drops these, this one gives the most per kill.
Versions
- Hard modelvl 7000 · 370,000 LP
- Normal modelvl 7000 · 65,000 LP
Drops (25)
| Item | Quantity | Rarity |
|---|---|---|
| Resonant anima of Wen (tradeable)Best rate | 100–160 | Always |
| Dark nilasOnly source | 2–42 | 1/100 |
| Starved ancient effigyBest rate | 1 | 1/256 |
| Chaos die reroll token#2 rate | 1 | 10/1,000 |
| Glacor coreOnly source | 1 | 1/1,000 |
| Arch-Glacor coreOnly source | 1 | 1/500 |
| Leng artefactOnly source | 1 | 1/1,725.6 |
| Scripture of WenOnly source | 1 | 1/1,725.6 |
| Frozen core of LengOnly source | 1 | 1/2,732.2 |
| Banite stone spirit | 50 | Common |
| Cannonball | 100 | Uncommon |
| Coins | 360000 | Common |
| Crushed nest | 48 | Common |
| Crystal key | 75 | Common |
| Glacor remnants | 188 | Common |
| Hydrix bolt tips | 25 | Uncommon |
| Manuscript of WenOnly source | 2 | Common |
| Medium blunt orikalkum salvageOnly source | 11 | Uncommon |
| Onyx dust | 38 | Uncommon |
| Summoning focus | 37 | Common |
| Uncut dragonstone | 75 | Common |
| Uncut onyx | 1 | Rare |
| Water battlestaff | 50 | Common |
| Water rune | 100 | Common |
| Water talisman | 70 | Common |
Most common first. “Best rate” and “#2/#3 rate” compare expected drops per kill with every other monster that drops the item.
Achievements
- A Slippery Slope I · 5 RS
- A Slippery Slope IIEasy · 5 RS
- A Slippery Slope III · 5 RS
- A Slippery Slope IV · 5 RS
- A Slippery Slope V · 5 RS
- A Slippery Slope VI · 5 RS
- A Song of Ice and Ire I · 5 RS
- A Song of Ice and Ire II · 5 RS
- A Song of Ice and Ire III · 5 RS
- A Song of Ice and Ire IVElite · 25 RS
- A Song of Ice and Ire V · 5 RS
- A Song of Ice and Ire VI · 5 RS
- A Song of Ice and Ire VIIMaster · 40 RS
- Arch-Glacor
- Arch-Glacor (HM) Elite Speed KillerElite · 25 RS
- Arch-Glacor (HM) Grandmaster Speed KillerGrandmaster · 50 RS
- Arch-Glacor (HM) Master Speed KillerMaster · 40 RS
- Arch-Glacor Competent Speed KillerHard · 15 RS
- Chill To The Bone IMaster · 40 RS
- Chill To The Bone IIGrandmaster · 50 RS
- Snow ProblemHard · 15 RS
- Snowfall I · 5 RS
- Snowfall II · 5 RS
- Snowfall IIIHard · 15 RS
- Snowfall IV · 5 RS
- Snowfall V · 5 RS
- Snowfall VI · 5 RS
- The Iceborn (Bronze)
- The True IcebornGrandmaster · 50 RS