Ive set up a guardian icon for my Warlock's summon infernal spell. But I cant seem to set an activation border to flash when theres 20 or less seconds left on it.

Please only use the GitHub issue tracker for bug reports and feature requests. The TellMeWhen community Discord server is a great place to ask questions or otherwise discuss TellMeWhen: https://discord.gg/NH7RmcP