STRATEGY
Notes: The first thing you should maxed out is Shackles - Forked Lightning(Str and Agi) or Voodoo(Int and Agi).

Items: Anything!, Aghanims Scepter is Godly to Rhasta!

GANKING!!!
1st- Find a hiding place
2nd- Check your mana
3rd- Go through the opponent(dont go if it has necronomicon)
4th- By attacking the enemy hero(He/she will go to you), and retreat!(Its like making him/her out of the creeps)
5th- Click Wards and click it TO him/her, not on the land(this will make him/her trapped by the wards), and shackles and, or Voodoo if he/she has yellow HP(Why???- because some can easily got out just like Void's Time walk, lothars edge, etc.)
6th- If he/she is alive, make him/her suffer! Use Forked Lightning
7th- YOU WIN!!!