How to make green color glowing line around player character

Hi,
Today I’m gonna come to ask, How to make a green color glowing around a player character like this picture
image (Like the woman who are flying, and the sword)
I have to try to search in DevForum and Youtube, But I don’t see the solution that related to my problem

Thanks in advance
Sorry for the bad English

-GalaxySMediaXz

You could try making parts that outline the player, with transparency and neon material, then weld that to the player.

Oh, But i don’t know how to script it, because this gonna to be some of my fly move in some of my power.