Stones of Wonder

Stones of Wonder are rare artefact rocks occasionally awarded during seasonal promotions redeemable for discontinued Shop of Wonders items. The stones come in lesser and greater varieties, where lesser might redeem minor items such as a crafter's portfolio or fluvian jar and the greater more potent ones such as a sacrificial kris or Sceptre of Aqueous Mastery for example. It may also be traded in for credits.

REDEEM <stone> FOR <item>
ARTEFACT <stone> TRADEIN 
Lesser stones redeem for
Greater stones redeem for