So as Jungle Cassio you have really early problems with Mana.So you start Hunter´s Machete with 1 Mana Pot and 1 Heal Potion. If you want an easy start in the jungle you need an hard leash and DO NOT spam your e cause you need the E on Blue buff.At first you Smite Gromp (always start Gromp first) then you E afterwards you drink your Mana potion and Health Potion so you have full life and 3/4 of your Mana after wards you go back and buy potions, then you run to the Red buff after that you could gank or farm into the late game its your choice and your path to rule your jungle.

The real question is how the F**K do you gank with her? So one way is you come from the Enemy line. Or You wait for your level 6 and wait in the Bot/Top Bush. You wait and if the time comes you SCREAM right in the Face.

As Cassio I hope every one knows she is an AP CARRY so you need your Frontline to peel. Most of the time you will get focused so FLASH will help you to reposition in Teamfights

I hope you really enjoyed my Guide its my first time on MOBAFIRE. Maybe my english is not really good but maybe you can understand it its really Fun to play with her she is one of my First Champs in League of Legends and one of a few Champions that I mastered. Good Luck Have Fun Summoners.