Silver Gryphon Games launches Æthermancy Magic Supplement book Kickstarter Posted on September 14, 2013 | by Polar_Bear | add comments Silver Gryphon Games launched a Kickstarter campaign in order to fund Æthermancy, their magic supplement book for the Æther game system.SourceFrom the campaign:Æthermancy: the quintessential Magic supplement for the Æther Gaming System. Magic Items! Adventure Hooks! Custom Illustrations! More!