Checkmate is a divination card. A set of eight can be exchanged for a stack of 76 Simulacrum SplintersSimulacrum SplinterStack Size: 300Combine 300 Splinters to create a Simulacrum..
[Verified on DivcordThis information has been verified by players on Divcord, the divination card discovery Discord server. Actual undocumented changes to drop locations may have occurred in a previous patch.] Checkmate now also drops from Academy.