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HomeGuidesZombie Mushmom

general4 min read· Last updated 8 Nov 2026

Zombie Mushmom

The Lv. 55 undead boss off Ant Tunnel Park: 66,640 HP, lowest W.DEF of any live boss, weak to holy, and no quest attached.

Every number and name on this page is read live from the game data.

  • Getting there
  • The Park is your base
  • What it does
  • What to use
  • The room
  • Drops
  • Not confirmed yet

No quest targets Zombie Mushmom. You come here to test your character or to chase a drop nobody has confirmed. If you want neither, skip it. As EXP it loses to its own room: 668 for the kill, 723 for one clear of everything else in there.

Note

Base timer one hour, more random since 21 Oct, so plan on at least that and do not set an exact alarm. If the boss is missing, try another channel, and log the kill on the boss timers page. Rules are in the boss overview.

Getting there

Ten portals, and it is halfway down the dungeon, not at the bottom. From take the east exit through , Ant Tunnel II to IV, , , and to . That is one straight chain of nine visible exits.

The trap is the last step. is behind a hidden portal in the Park, the highest portal on the map, right of centre. The visible exit at the bottom left goes down toward Jr. Balrog, not to the Grave.

The Park is your base

Treat Ant Tunnel Park as your town for this boss, not Sleepywood.

  • stands there and sells at 1,120, plus Unagi, food, Subi and arrows.
  • The Grave's return map is the Park, one portal away.
  • lands you in Sleepywood, ten portals from the boss. If you plan a second try, do not read it.

What it does

  • Jump, 871 before defence. It is 125% of 697 W.ATK and its only listed attack. Two in a row is 1,742. Treat 1,350 HP as a floor for one jump, which is our margin, not a measurement, and refill straight after.
  • Speed +5. Do not count on walking away to drink. Not tested.
  • Regen, 666 HP per tick. Tick length is unknown.
  • Stagger 4,250. Plan on it walking through you.

What to use

W.DEF 10 is the lowest of any live boss, but only by a little, and you need about 120 accuracy by our estimate, more than for Shade. M.DEF is 20.

You areUseNote
Cleric, Weak to holy, and undead so Heal damages it. How much is unknown
Fire/Poison or Both neutral
Ice/LightningNeutral

Physical classes: lowest W.DEF, but check accuracy first. That 120 applies from Lv. 55 up, and a higher level adds nothing. Check your hit rate and damage in the , and see the for how the estimate works. adds W.ATK but lowers your Weapon DEF, and this boss hits hard.

fight checker
boss overview

The room

The Grave holds 13 and 2 . Zombie Mushrooms are undead and weak to holy, and Heal hits up to 6 targets, so a Cleric has plenty to work on while waiting.

Drops

Reference data, unconfirmed. No Lv. 51+ equipment drop has been confirmed, so do not plan a build around these rows.

ItemWhat it is
Shield, Lv. 60, warrior only
Shield, Lv. 70, warrior only
Cape, Lv. 65, any class: LUK +4, W.DEF 28, M.DEF 13, ACC +5
Earrings, Lv. 60, any class
One-handed sword, Lv. 35, warrior only. No prize at 55

If you want those earrings, skip this boss. They are a certain reward at the end of 's three-quest chain at Lv. 65: , , then , for 10, 20 and 30 flowers found through the in Sleepywood. Report anything you see through the drop report.

Next: Jr. Balrog is not the next step. As of 7 Nov Forgotten Hollow is closed, Nexon has dated it only as November, and we do not have its level range. Until it opens, see training.

Not confirmed yet

  • What dying or logging out in the Grave does. The map's return points at the Park, but nobody has tested it for us.
  • Whether a from here lands in town or only at the Park.
  • Warrior build variants: dexless and moreDoes dexless work in Classic World? Unproven, and nobody has posted results. What it gains at 30, what it loses from 40, and the armor and scroll limits most guides skip.
  • Spearman guideEstimated reach, Iron Will and the only warrior self-heal. Why polearm is the default but spear is no mistake, what v1.1.0 changed for Rush and absorb, and honest limits.
  • Page guideThe hardest single-target Final Attack, the crafted blunt line and the option of a shield. 2H blunt or 1H and shield, and when Threaten is worth its 30 SP.
  • Fighter guideRage, the only multi-target Final Attack and fast 2H weapons. SP order, axe or sword, a weapon plan that works without level 30 shops, and what is known to 70.
  • Warrior build: 1st job, your branch and gear you can getHow to spend 61 SP before level 30, how to choose between Fighter, Page and Spearman, and what gear you can actually obtain at each level, quests included.
  • Mage build variants: how much LUK?The one stat decision every mage faces. Three LUK plans compared on gear that really exists, what lukless actually costs, and why you can always add LUK but not remove it.
  • Cleric guideIs Cleric worth it? What Heal, Bless and Invincible really do in Classic World, party and solo SP orders, and where a mage with a single-target attack should train.
  • Ice/Lightning Wizard guideThe cheapest damage among mages: Cold Beam for single targets, Thunder Bolt once four mobs are in reach. SP order, when each spell pays, and what to do about the lean 40s and 50s.
Ant Tunnel IDungeon
Dark CaveDungeon
Dangerous SteamDungeon
Deep Ant Tunnel IIDungeon
Ant Tunnel ParkDungeon
The Grave of MushmomDungeon
SleepywoodDungeon
Pure Water
Return Scroll to Sleepywood
Holy Arrow
Deep Ant Tunnel IDungeon
Zombie Mushmom
Lv 55Undeadweak to holy
HP
66,640
EXP
668
W.ATK
697
M.ATK
766
Mob ACC
146
Avoid
37
  • The Grave of MushmomDungeon · 1 h respawn

Check your hit rate and damage · Boss timers

Fire Arrow
Poison Breath
Cold Beam
24 Hr Mobile Store
Zombie MushroomLv 24
Rage
Heal
Jr. Boogie 2Lv 35
Silver Legend ShieldLv 60
Silver Ancient ShieldLv 70
Black Gaia CapeLv 65
Pink-Flowered EarringsLv 60
CutlusLv 35
John
What Zombie Mushmom does

Attacks

  • Attack 1

    Physical jump attack. Hits an area 500 x 150 px around it.

Traits

  • Aggressive

    Attacks you on sight, before you hit it.

  • Regen

    Regains 666 HP and 22 MP at each regen tick. How often it ticks is not in the game files.

From the game files, not tested in Classic World. Skill names are our own.

[Deep Forest of Patience] John's Pink Flower BasketLv 65
[Deep Forest of Patience] John's PresentLv 65
[Deep Forest of Patience] John's Last PresentLv 65
Mysterious Statue
Return Scroll - Nearest Town