d20 Table: Why monsters wander

roll d20 Why

1 visiting relatives

2 on walkabout or quest

3 abandoned by a travelling circus (or perhaps it ate the circus)

4 migration

5 must return to ancestral breeding grounds

6 must return to ancestral dying grounds

7 hunting

8 a pet

9 a guard

10 fell through portal

11 drawn here by special item

12 adopted by one of the expected denizens

13 lost. totally lost

14 this species has been here all along. the world changed (see: Nessie)

15 this dungeon was a zoo once

16 this monster is worshipped by a local tribe, who goes to extraordinary efforts to keep them alive in this climate and breed them.

17 this form is a strange intermediate growth stage

18 it’s a mechanical copy

19 cloning. the wizard Freamon is up to his old tricks.