There will be a different dynamic on the CW’s Dynasty next season. One of the stars of the reboot, Nathalie Kelley, who plays Crystal, has confirmed in an E! interview that she will not be returning for Season 2. The development is not entirely shocking — Cristal, Alexis or Michael’s fates were left up in the air in the Season 1 finale cliffhanger, which ended with the three still trapped in a fire after Cristal also had been shot. Still, Kelley’s exit changes the…