Other than things that have been eaten by certain forms of Chaos, I'd think pretty well anything that's gone "extinct" in Glorantha could potentially return, so long as somebody somewhere is sufficiently interested and powerful to do the relevant heroquesting.
-- Trotsky Gamer and Skeptic ------------------------------------------------------ Trotsky's RPG website: http://www.ttrotsky.pwp.blueyonder.co.uk/ Not a Dead Communist: http://jrevell.blogspot.com/
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