15.6 In. Screen

I have an ASUS TUF A15 with the 144Hz 15.6inch Display. I started noticing what first I thought was a dead pixel, but then after looking at it closely, noticed that it was slithering around in my screen. I don't have any idea what this is, did plenty of digging but came up with no answers. This...

So i have had my laptop for about a year now. I haven't abused it but it has some scratches because of a idiot in a airport that threw with my suitcase -.- the problem is that i can only get 0% charge on it and if i unplug it from the charger it dies within a second Here is a picture from...