Sibilant Spirit Sick and Tired Sicken Sickening Dreams Sidar Jabari Sift Sigil of Sleep Sigil of the New Dawn Silent Assassin Silent Attendant Silent Specter Silhouette Silkenfist Fighter Silkenfist Order Silklash Spider Silk Net Silt Crawler Silverback Ape Silver Drake Silver Erne Silverglade Elemental Silverglade Pathfinder Silver Seraph Silver Wyvern Silvos, Rogue Elemental Sima Yi, Wei Field Marshal Simian Grunts Simoon Simplify Simulacrum Sindbad Singe Singing Tree Sinister Strength Sinkhole Siren's Call Sirocco Sir Shandlar of Eberyn Sisay's Ingenuity Sisay's Ring Sisters of the Flame Sivitri Scarzam Sivvi's Ruse Sivvi's Valor Sizzle