What is this line of lightning?

Playing evade eagle spiritborn, this only started showing up a couple of days ago, no idea what it is and it looks kinda goofy. Seems to lock onto a single enemy no matter how far I run from them. Anyone know what it is?

https://preview.redd.it/dnicx77yvpvd1.png?width=1359&format=png&auto=webp&s=4cdec9a8623a335c0252b48b5505fab7904e1eab