Dark Sun 08-30-20

The campaign start just after King Kalak is killed by Rikus, a mul gladiator. During a bid to rise to dragonhood, Kalak was betrayed by his head Templar, Tithian. Tithian enabled Rikus, a mul gladiator, to kill Kalak with the Heartwood Spear, a halfling artifact.
The campaign starts with the players being held prisoners by a Microcosm spell, underneath the Tyr coliseum. They were held for unknown reasons. With the ensuing chaos, one the players rescues the additional players being held prisoners and their adventures begin.
One of the players seems to have residual memories of past events but is unsure if his memories are real or implanted.

Memories of possible past.