A mini-set that was featured in Harbinger Magazine. Sold together with "Hilltop Encounter" as the Deadly Encounters Combo. From the publisher's website: SACRIFICIAL PORTAL INCLUDES: * 2 black portal spires (can be used individually to create more elaborate ritual areas) * 1 towering central portal opening * 1 diorama base tile with blood stained central sacrifice area * 2 7"X7" base tiles with blood stained central sacrifice area (both gridded & non-grid versions)