Scrags are a distinct species from common trolls, more distantly related to their mountain troll forebears. Female scrags give birth to litters of two to six offspring. Scrag broods often include a mutant runt, an aruk-taii ("half-scrag") or flood troll, that is raised in its siblings' shadow or simply driven into the wild to fend for itself. The exception is when a brood includes a pair of twin runts, aruk-taikii, whom scrags view as an omen of storms and floods to come and are pampered by their mother.3
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- Jason Bulmahn. (2009). Bestiary (First Edition), p. 268. Paizo Publishing, LLC. ISBN 978-1-60125-183-1
- Joshua J. Frost. (2008). Troll. Classic Monsters Revisited, p. 62. Paizo Publishing, LLC. ISBN 978-1-60125-079-7
- Tyler Beck, Adam Daigle, and Patrick Renie. (2015). Bestiary. Battle of Bloodmarch Hill, p. 88. Paizo Inc. ISBN 978-1-60125-725-3