Considering your attempt on the Updating event, sounds like you might need this to get the hang of the basic events: https://youtu.be/j10SMwy2prMYou can use my After Image or Particles behavior, both of which can be used to achieve what you want. They can be found here: https://luyren.itch.io/luyrens-miscellaneous-stencyl-behaviorsBut those behaviors might be a bit overkill. If you understand how to use the Updating event (from that tutorial video), you should have the tools to create your own code for that.
It made Stencyl crash!