To do a great herobrine troll, you you must get thesel:

1. Get a Herobrine Skin (No HD or made from scratch because they will think its fake)

2. Get a world that you no longer play on to use. (Make a backup world on worlds you play on because this could get reallly messy...)

3.OPTIONAL Get items using MCPE Master, mods using Blocklauncher, or use inventory editors. (This can get you tools to troll.)

4. Change your name to Herobrine.

5.OPTIONAL If you have a microphone or something that allows the victim to hear you, DON'T LAUGH OR ELSE THE VICTIM WILL THINK YOU ARE HEREBRINE!

6.OPTIONAL Have a friend or 2 to join you on this troll and make them 'Herobrine."  (so there can be 3 of them haha!)

LIST OF ITEMS YOU NEED:
Invisibility Potions
Enchanted Gold Apples
Enchanted Diamond Sword
(OPTIONAL) Friends That Want To Troll With You
A Map
An Enchanted Bow with Infinity
An Arrow
(OPTIONAL) A Screen Recorder
(XBOX) DISABLE NAMETAGS
Skin

I hope you enjoy this tutorial to doing a Herobrine Troll!