Cutting the Anima Tree in RimWorld: Scream, Wood, and When to Keep It

Cutting the Anima Tree in RimWorld: Scream, Wood, and When to Keep It

RimWorld anima tree with its meditation radius rings on a temperate map

Don't cut an anima tree for lumber. When it dies, every pawn on the map gets anima scream: −6 mood for 5 days, scaled by psychic sensitivity. You get 25 wood and a chopped stump. The tree does come back, about 30 days later on a random tile, so cutting is how you move a badly placed one. Keep it if you have a tribal with the Natural meditation focus, or expect to recruit one.

Verified against Steam RimWorld 1.6.4871Royalty DLC. Ideology and Biotech notes are labelled.

  • Scream: −6 for 5 days
  • Wood: 25
  • Regrows: about 30 days
  • Linking: 20 anima grass

Decision

Should you cut the anima tree?

The tree is a free, repeatable source of psylink levels for every Natural-focus pawn you have. Losing it does not remove levels a pawn already earned. You can't plant or transplant one in vanilla, so the only way to move it is to destroy it and wait.

ChoiceWhenWhat it costs
KeepYou have a tribal with Natural focus, or might recruit oneKeep artificial buildings out of the 27.9-tile red ring where you can
Cut to rerollIt sits near the map edge, in a raid path, or on the only good building groundAnima scream now, and the new spot may be worse
Cut for woodNever. 25 wood is what an ordinary tree givesScream plus the loss of your psylink source
RimWorld anima tree with the green 9.9-tile and red 27.9-tile rings shown
Green ring (9.9 tiles): animus stones and nature shrines here boost the tree. Red ring (27.9 tiles): artificial buildings here weaken it. Put the dorm outside the red line if you can.

Cost

What happens when the anima tree dies

Any death counts: chopping, explosions, alphabeavers, a defoliator ship. Every pawn on the map with a mood gets anima scream. A pawn who chops it gets the wood and leaves a chopped stump. If something else kills it, you get a smashed stump instead.

−6Base mood
5 daysDuration
× sensitivityPsychic sensitivity scales it
3 stacksIf more trees die while it lasts
Psychic sensitivityUsual sourceScream mood
0% (deaf)Trait or gene0
50% (dull)Trait or gene−3
100%Most pawns−6
140% (sensitive)Trait−8.4
180% (hypersensitive)Trait−10.8

Psylink levels your pawns already have stay. The new tree needs its own 20 anima grass before anyone can link again, and anima grass only lives 60 days anyway, so plan on regrowing it.

RimWorld chopped anima stump with wood after cutting, and colonists hit by anima scream
A chopped anima stump, 25 wood, and a bad week for the whole colony.

Rerolling twice in a row stacks the scream. On a colony with psychically sensitive pawns, two stacked screams can push pawns toward a mental break. Let the first one run out before the next tree dies.

Reroll

It grows back somewhere you didn't choose

About 30 days after the old tree dies, a new one spawns as a random event. Most maps get one anima tree, and larger maps can get two. Extreme desert, ice sheet, sea ice and glacial plains get none. A glowforest starts with no tree but gets one later.

The game looks for an outdoor tile you can stand on with some fertility, at least 15 tiles from the map edge and at least 40 tiles from any artificial structure, with 22 or more fertile tiles within 10 tiles. If no tile qualifies, it lowers the bar to 10 tiles from structures and 18 fertile tiles within 20. Because it avoids your buildings, the new tree usually lands away from your base.

Cutting is the only vanilla way to move the tree. If the new spot is worse, you can cut again and take another scream.

Intentional cut

How to cut it on purpose

  1. Select the tree and look for the Prevent cutting toggle. While it is on, Cut plants and Chop wood won't mark the tree.
  2. Turn Prevent cutting off.
  3. Designate Cut plants or Chop wood. The game warns you that you are marking an anima tree.
  4. Let a pawn finish the chop. You get the scream message, the stump and 25 wood.
  5. Wait for the new tree. When it appears, check where its red ring falls before you build anything near it.
RimWorld anima tree with Prevent cutting turned off before a cut order
Prevent cutting is the safety catch. Turn it off only for a cut you mean.

Failure modes

Accidental cuts: zones, roofs, beavers

Most lost anima trees die to something other than a deliberate chop order. Check these:

  • Roof areas. Builders cut plants that are in the way of a roof. Keep roof areas off the tree and off the grass around it. Use the remove roof area tool if a room's roof crept over.
  • Growing zones over the trunk. Keep zones off the tree tile, especially after you have turned Prevent cutting off.
  • Alphabeavers. They eat anima trees. Thrumbos don't. In biomes with the Beavers! event, walling the tree in keeps them away.
  • Defoliators. Defoliators and defoliator ships kill the tree.
  • Fire. The tree can't burn, but anima grass can. A ring of flooring around the grass area stops wildfires.
  • Pollution (Biotech). Polluted terrain kills the tree. Keep toxic wastepacks and polluting buildings away from it. Toxic fallout doesn't hurt it.
RimWorld growing zone overlapping an anima tree
Keep farm zones and roof areas off the glowing trunk.

Placement

Build around it or build over it

Keep the ring clean

Keep artificial buildings outside the 27.9-tile red ring. Floors, smoothed stone walls, graves, campfires, torch lamps, spots, nature shrines and animus stones don't count. Put meditation spots by the trunk and the bedrooms just outside the ring so the walk stays short.

Build over it on purpose

Some players wall the tree into the base so meditators are safe from raids and beavers. You keep the tree but lose most of its focus bonus, and grass grows slower. This works when the tree sits right where your base has to go. If it doesn't, cut it and reroll.

RimWorld colony walls and floors built inside the anima tree red ring
Walls and machines inside the red ring. Fine for safety, but focus and grass growth both drop.

Don't mix this tree up with the Gauranlen tree from Ideology, which makes dryads, or the polux tree, which cleans pollution. They are different plants.

To plan the base around the red ring, use the base layout planner. Fallout and the anima tree are covered on the toxic fallout page.

DLC

Ideology and Biotech

Ideology. Precepts that dislike tree cutting add their own mood hit on top of anima scream when your pawns chop a tree. With those precepts, cutting the anima tree costs you twice.

Biotech. Psychic sensitivity genes change the scream the same way traits do, and a psychically deaf gene also blocks linking. Children can't be linked, but they still get the scream.

Quick checks

Before you click Cut

  • Is Prevent cutting still on? Leave it on unless you mean it.
  • Do you have a Natural-focus pawn, or could a tribal join later?
  • Is the current spot really unplayable, or just a bit annoying?
  • Can the colony take −6 times sensitivity for five days right now?
  • Is it actually the anima tree and not a Gauranlen tree?

Default answer on 1.6.4871 with Royalty: keep the anima tree. Cut it only when it blocks the whole base plan, then lay out the meditation area around wherever the new one spawns.

Steam RimWorld 1.6.4871 Royalty, with Ideology and Biotech where named Wiki: Anima tree Wiki: Thoughts