40d:Building destroyer

Creatures with the BUILDINGDESTROYER token will actively seek out various furnishings and workshops and happily un-construct them, leaving the raw materials lying nearby. They come in two varieties, the first being definitely annoying, and the second distinctly dangerous.

A creature can have this token at value 1 or value 2, and this can be seen in the "creature object data" (listed with every creature article). When the value is 1, the creature will go after hatches, doors, supports, statues, windows and archery targets only. They can't destroy homes during world gen as (semi)megabeasts.

When the value is 2 the creature will actively seek out most (all?) constructions* and destroy them. They can also destroy buildings during world-gen with this tag. Megabeasts rely on this token for their pathing when attacking your fort. Remember that your constructions (IE walls, staircase, floors etc) are still safe, since they're processed the same way natural terrain is for most situations. [BUILDINGDESTROYER:2]

(* Value 2 includes anything not built with the b + C commands, so (most?) anything except walls, ramps, stairs (any), and fortifications)

The simplest way to keep building destroyer 2's from constructed targets is with walls or channels.

Tame animals still carry their building destroyer tokens.

Oddly, building destroyers appear to be unable to destroy artifact buildings and will instead simply stand next to them indefinitely.^{v0.28.181.40d}

[BUILDINGDESTROYER 1] creatures:

• Giant cave spider
• Cave crocodile
• Giant desert scorpion
• Giant olm
• Giant toad
• all Undead

[BUILDINGDESTROYER 2] creatures:

• Bronze colossus
• Cyclops
• all Demons
• Dragon
• Ettin
• Fire man
• Giant
• Hydra
• Iron man
• Magma man
• Minotaur
• Mud man
• Treant
• Troll

• (& Scamps)

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See also:

• Creature tokens
• Modding guide