Zetsubou No Shima: Trials of the Ancients

The Trials of the Ancients of Zetsubou No Shima: the four pillars of the ritual area, the sixteen challenges with a tip for each, the Max Ammo, Dingo, SVG-100, 205 Brecci and extra perk slot rewards, and the lightning that electrifies the shield.

2 min read
5 chapters
updated 2026-10-18

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The Trials of the Ancients

Four stone pillars stand around the altar of the ritual area of Zetsubou No Shima, between the spawn and Lab B. Each player gets three glowing symbols, three challenges picked at random among sixteen: one bottom, one middle and one top. Looking at a symbol shows the challenge and its progress. A finished challenge is claimed at the pillar.

Bottom Trial

A Max Ammo.

Middle Trial

A Dingo, an SVG-100 or a 205 Brecci. A weapon left to sink back into the altar can be rolled again, until the one wanted comes up.

Top Trial

An Empty Perk Bottle, which gives one more perk slot.

When every player has claimed every reward, lightning strikes the ritual area from time to time and electrifies a Zombie Shield held there. The electric shield is needed for the Masamune, the Spider Bait and the Easter egg.

Bottom Trials

Water the same plant three times

Water a Seed, wait for the next round, water it again, and once more the round after.

Water five plants

Five waterings in all, on any plants.

Shoot five spores

Any five wall spores, shot or knifed, grown or not.

Use a spore to regain air underwater

Burst a spore while under water and swim into its cloud. Spores grow in the flooded power room and in the tunnels past Mule Kick.

Destroy five webs with explosives

A frag grenade sticks to a web. Ray Gun shots count too.

Middle Trials

Obtain a power-up from a plant

A Seed watered three times with blue water. Any power-up counts, even Bonus Points.

Kill fifteen zombies attracted to a plant

A Seed watered three times with purple water; kill the zombies it draws before it eats them.

Kill twenty zombies while underwater

The zombies killed in the power room lockdown count.

Kill ten spore-infected zombies with headshots

Zombies that walked through a spore cloud carry an orange haze. Kills during an Insta-Kill count without a headshot.

Kill a Thrasher before it becomes enraged

The Vaporize of the Skull of Nan Sapwe is the easiest way.

Get twenty kills with the Fan Trap

On the stairs from the Bunker entrance to the anti-aircraft platform.

Top Trials

Eat a fruit grown by a plant

A Seed given one of each water, without the KT-4.

Kill eight spiders with spores

Lead spiders into a spore cloud, where they die at once.

Kill three zombies as they are mutating

Kill a zombie while roots drag it underground, before it rises as a Thrasher. Opening the Bunker always gives one.

Get thirty kills with the Propeller Trap

The trap of the crashed plane, between the spawn and Lab A.

Shoot the heads off five mutated zombies

Aim for the head of a Thrasher, not its spores. It keeps fighting headless.

In the First Room

The pillars are in the ritual area, behind the path to Lab B. Doors closed, the Trials cannot be seen nor claimed, and none of their rewards reaches the spawn area.