How do I get Herobrine's appearance WITH his powers? I had recently watched a video where the person turned into Herobrine and had his powers to fly and become invisible. How do I do that? If it's a mod, please put a link.
You can get herobrine skin here.
The abilities you said does not require mod to do so, but permissions.
/gamemode <player> creative to turn a player into creative mode, which grants abilities to obtain/destroy any blocks and fly. This command requires operator permission to use.
/vanish is the command which makes yourself invisible. This command requires bukkit-based server and the permission is
You could find/make the skin and you cold drink a potion of invisibility for the invisible part and you could use commands/mods to fly.
If you want to make it (the skin) you can go to "http://www.minecraftskins.com/"