DdBIC is a pyroptosis inducer that associates with Nur77, facilitating its translocation to the mitochondria. This interaction activates the depletion of SDHA succinyl-CoA, disrupts hemeostasis, causes electron leakage, and stimulates mitochondrial ROS generation. Mitochondrial ROS, induced by DdBIC, oxidatively activates OMA1, leading to OPA1 cleavage and release into the cytoplasm, triggering the PERK-activated integrated stress response, ultimately activating granzyme B (granzyme B) to cleave GSDMC. DdBIC is applicable in melanoma research.