MapleStory Classic Zombie Mushmom Guide: Route, Holy, Drops

Quick summary

• Zombie Mushmom is a level 55 undead boss with 66,640 HP and 668 EXP at launch. Pre-launch guides list it at level 50 with 53,640 HP, which are closed-test numbers (NiaMeowDB).
• It lives in The Grave of Mushmom, behind a hidden portal at the top of Ant Tunnel Park. The VIP Cab from Lith Harbor or Ellinia goes straight to Ant Tunnel Park, but nothing takes you back (Metaroad, MapleClassic Wiki).
• It's weak to Holy, which does 25% extra damage, and a Cleric's Heal damages it (NiaMeowDB, Metaroad, henesys.gg).
• The game timer is 1 hour. Live respawns can run to about 90 minutes, which is a community estimate (NiaMeowDB, Metaroad).
• Touch damage runs 766–1,045, so bring at least 1,100 HP before you walk in.

Checked against the Founder's Access build on October 13, 2026. Grand Launch is October 21, 2026; see the end of the guide for what may change.

Get to The Grave of Mushmom

You have two ways in. Both end at Ant Tunnel Park.

Route	Path	Cost	Source
Walk	Sleepywood → Ant Tunnel I–IV → Dark Cave → Dangerous Steam → Deep Ant Tunnel I and II → Ant Tunnel Park	Free	Metaroad
VIP Cab	Lith Harbor or Ellinia → Ant Tunnel Park	10,000 mesos	MapleClassic Wiki

From Ant Tunnel Park, take the hidden portal at the top of the map into The Grave of Mushmom (Metaroad).

Metaroad warns that the VIP Cab is one-way: "nothing takes you back, so bring a Return Scroll." Our travel guide has cab fares and return scroll options.

What's in the room, per the wiki's map page:

Monster	Level	HP	EXP	Spawns
Zombie Mushroom	24	436	45	13
Jr. Boogie 2	35	1,395	69	2
Zombie Mushmom	55	66,640	668	1

NiaMeowDB lists the map at a 1.0x mob rate, with Zombie Mushmom as 1 of 16 spawns. Metaroad says the Zombie Mushrooms pay "almost ten times more" EXP per HP than the boss does. At level 24, they're no threat to a level 50 character.

Read Zombie Mushmom's stats

Stat	Launch value	Source
Level	55	NiaMeowDB, wiki infobox, henesys.gg
HP / MP	66,640 / 220	NiaMeowDB, wiki
EXP	668	NiaMeowDB, wiki
Weapon ATK / Magic ATK	697 / 766	NiaMeowDB, wiki
Touch damage	766–1,045	NiaMeowDB
Physical DEF / Magic DEF	10 / 20	NiaMeowDB, wiki
Accuracy	146	NiaMeowDB, wiki
Avoidability	37	NiaMeowDB, wiki
Speed	5 (fast)	NiaMeowDB, wiki
Knockback threshold	4,250 damage	NiaMeowDB, wiki, henesys.gg
Type	Undead	NiaMeowDB, wiki, henesys.gg
Weakness	Holy (+25% damage)	NiaMeowDB, Metaroad
Damage reduction	Weapon 9%, magic 17%	henesys.gg
HP recovery	+666 HP per tick	NiaMeowDB

What these mean in the fight:

• Weapons lose less than magic here. henesys.gg lists 9% reduction for weapons and 17% for magic. That's the reverse of Mano.
• It regenerates 666 HP per tick, nearly double Mushmom's 344. NiaMeowDB doesn't give the interval. Low damage won't get you through.
• It jumps between floors and moves fast, like Mushmom (NiaMeowDB).
• HP per EXP is 99.76, ranked #174 of 182 by NiaMeowDB. Come for the drops.

Dodge the lunge

NiaMeowDB lists the same attack set as Mushmom, with bigger numbers:

Attack	Damage	Timing
Touch	766–1,045	Contact with its 119 × 99 px touch zone
Lunge (Attack 1)	125% of P.DMG (about 871 base, by our arithmetic from 697)	800 ms telegraph, 1.85 sec cycle, 3 sec recovery

Metaroad lists "about 960 touch, 1,060 magic" from closed-test stats. NiaMeowDB lists a Magic ATK of 766 but no magic attack. Either way, a character under about 1,100 HP can die to one hit.

Use Holy and Heal

Zombie Mushmom is undead, so it's a Cleric fight:

• Holy attacks do 25% extra damage (NiaMeowDB: "Holy weak: 25% extra dmg"; Metaroad: "a quarter harder").
• Heal damages it (henesys.gg, Metaroad). A Cleric can heal the party and hurt the boss with the same cast.
• Holy Arrow is the Cleric's single-target Holy spell. At launch it hits 1 target at Basic Attack 160 (NiaMeowDB). Our Cleric guide has the build.
• Poison won't help. The wiki's description says it's "immune to poison," so Fire/Poison Wizards should lead with Fire instead.

Check your accuracy

Your level	NiaMeowDB (launch, Lv 55 boss)	Metaroad (COT2, Lv 50 boss)
55	120	—
50	144	98
45	167	117
40	—	136

Plan for NiaMeowDB's numbers. Metaroad's are from the level 50 closed-test version with 30 avoid, and launch raised it to 37. Fighting 5 levels under a boss costs "about 11%" of your damage and 10 under costs "a third" (Metaroad). A level 50 character is now 5 under. Our accuracy guide has the formula.

Count your hits

Plain arithmetic on 66,640 HP, rounded up. It doesn't model misses, the 666 HP regen, or the Holy bonus:

Damage per hit (after reduction)	Hits to kill
500	134
800	84
1,200	56
2,000	34
3,000	23

Take your damage on a regular monster near level 55. Subtract 9% for weapons or 17% for magic (henesys.gg), and add 25% if it's Holy. Then read the row. Multiply by your MP cost per attack and compare that with your MP and potions.

Pick a plan by class

Use these plans as a reading of the stats above, not as a proven kill order:

Class	Approach	Why
Cleric	Heal and Holy Arrow	Both hit the Holy weakness, and Heal also keeps the party alive.
Fire/Poison Wizard	Fire Arrow, not Poison Breath	The wiki says it's immune to poison. Magic takes 17% reduction.
Ice/Lightning Wizard	Single-target damage	No listed weakness to exploit. Magic takes 17% reduction.
Warrior	Tank with HP	Weapons take only 9% reduction. Touch up to 1,045, so stack HP.
Assassin	Range it with stars	Ilbi farming (see drops). Stay out of the touch zone.
Bandit, Bowman	Burst between lunges	Use the 3-second lunge recovery. It jumps floors, so reposition often.
Party	A Cleric plus 2–3 damage dealers	The Cleric brings both the Holy damage and the Heal sustain (henesys.gg, Metaroad).

Time the respawn

Source	Respawn
NiaMeowDB	1 hour base timer; live window 1 to 1.5 hours ("unconfirmed")
Metaroad Boss Timer	Game timer 1 hour; 60–90 minute window (community estimate)
MapleClassic Wiki infobox	60 minutes
MapleClassic Wiki map page	1,800 seconds (30 minutes)
henesys.gg	1 hour

Plan around 1 hour. The wiki's two pages disagree with each other. Metaroad says the 1-hour bosses used 30-minute timers in the first closed test, which likely explains the 1,800 seconds.

Getting here takes a long walk or a 10,000-meso cab ride, so rotate channels once you arrive. Check The Grave of Mushmom on each channel and note your kill times. Train on the Zombie Mushrooms between spawns. The Mano and Mushmom guides use the same rotation.

Know the drops

Drop	Source	Notes
Earring Crit. Damage Scroll: Intermediate (60%) and Greater (10%)	Metaroad, wiki prose	Metaroad says this boss has "the longest drop list of any boss at launch."
Scroll Crafting Catalyst	Metaroad ("Scroll Crafting Stimulator" on the wiki)	Can upgrade a crafted scroll to Intermediate, Greater or Chaos
One-Handed and Two-Handed Weapon Crafting Catalysts	Metaroad	Can reroll a crafted weapon's bonus stats
Ilbi Throwing Stars	Metaroad, wiki prose	+27 W.ATK stars. Metaroad says only Mushmom and Zombie Mushmom drop them at launch.

No source publishes drop rates, and henesys.gg lists no drops yet. Metaroad's advice is direct: "If you craft, this is the boss to farm." Our crafting guide covers catalysts.

NiaMeowDB's separate "MSEA reference" list has 17 items, including Hwabi Throwing Stars, Black Gaia Cape and a dozen Intermediate attack scrolls. It labels the list historical, from old MapleSEA tables. Treat Hwabi as unconfirmed for Classic World until players report it.

See what changed at launch

NiaMeowDB's COT2-to-launch table shows a bigger change than for Mano or Mushmom, which both lost HP at launch:

Stat	COT2	Launch	Change
Level	50	55	+5
HP	53,640	66,640	+13,000
P.DMG / M.DMG	642 / 706	697 / 766	+55 / +60
Accuracy	141	146	+5
Avoidability	30	37	+7
Knockback threshold	3,750	4,250	+500
EXP	568	668	+100
HP recovery	536	666	+130

If you tested it in COT2 at level 45, expect a much longer fight now.

Plan alts and returning players

• Returning from the closed tests? It's level 55 with 13,000 more HP and 100 more EXP than in COT2 (NiaMeowDB). The first closed test used a 30-minute timer (Metaroad).
• Returning from old MapleStory? Don't assume Hwabi or old MapleSEA drops carry over. NiaMeowDB keeps that list separate.
• Bringing a Cleric alt? Its Heal damages the boss, so a Cleric alt is useful here. Check its accuracy first.
• Crafting on an alt? Metaroad points crafters here for the catalysts.
• Short on time? Our bosses guide, MapleStory Classic hub and powerleveling page cover the next steps.

Want a hand with this?

If you would rather not grind this part yourself, MapleStory Classic powerleveling services are listed on FullBoosts. Read Nexon's Terms of Service before you buy any service from anyone, FullBoosts included — a marketplace listing isn't publisher permission.

What may change at Grand Launch

This guide describes the Founder's Access build as it was on October 13, 2026. Re-check these against Nexon's Grand Launch notes on October 21: whether crafting still stops at craft level 8, whether Forgotten Hollow, Orbis and third jobs stay closed, KPQ channel limits, NPC shop stock, and any Founder's Access-only events or packages mentioned here. Nothing here assumes a closed area or feature will open.

FAQ

Where is Zombie Mushmom in MapleStory Classic? In The Grave of Mushmom, through a hidden portal at the top of Ant Tunnel Park. Walk from Sleepywood or take the VIP Cab from Lith Harbor or Ellinia (Metaroad).

What level is Zombie Mushmom at launch? Level 55, with 66,640 HP and 668 EXP (NiaMeowDB). Level 50 was the closed-test version.

How long is the respawn? The game timer is 1 hour. Players report up to about 90 minutes, which is a community estimate (NiaMeowDB, Metaroad).

Does Heal damage Zombie Mushmom? Yes. It's undead, so Heal damages it, and Holy attacks do 25% extra damage (henesys.gg, NiaMeowDB, Metaroad).

Can I poison it? The wiki describes it as immune to poison. Use Fire or Holy.

What does Zombie Mushmom drop? Earring Crit. Damage scrolls, three crafting catalysts and Ilbi Throwing Stars, per Metaroad. No drop rates are published.

How do I get back after the VIP Cab? The cab is one-way, so bring a Return Scroll.