He is linked to the Combaticon Onslaught through the budding process.
Mindset led a team of Cybertronians to kill the inhabitants of the planet Karn. However, he and his troops were soon confronted by the Swarm. They attempt to destroy it by shooting it, but to no avail, and Mindset was devoured along with the rest of his team by the Swarm.
- He appears to be a worshipper of the Cybertronian mythological figure, Xal, as he is seen praying to him when the Swarm is about to consume him.