Not bad for a first attempt with a mouse drawing in a clip art program. I see you have a gradient on the visor and flames, that's a cool touch. Another tool you can use in Corel is
creating your own brushes, for the kind of thick colorful lines similar to how Slime Rancher draws faces. The way the wrench is drawn over the toolbelt is kind of noticeable though, it would look better if you drew the wrench first and then put the tool belt on top of it.