Start with the red buff. First ask for hard pull because you need some life to kill the ghosts, wolves and blue buff. after that you have to go back and buy your movmentspeed because you must gank top, bot or mid and with the movment speed you can gank better. You can use your ghost to gank better and with your E-spell you can slow the enemy. If he use flash you can jump with you Q-spell on him. You can use the consumables before a gank to have more life. then if you ganked the enemy pushed lane you can go back jungle golems wolves or ghosts to get level up. then try to gank again a lane and if you have enough money to buy wriggle´s lantern you can go back and buy it. If you go level 6 you can also gank if you have ghost you can run behind the enemies and set your ulti to kick him to your teammates. Without ghost you have to jump on the enemy or the minions behin or next to him and kick him to your teammates. With this item you can deal the minions and monsters more damage and can jungle more efficiently or you can help to save the tower because of the passive. also you can place a ward to save the two bot lanes or the top lane before the other jungler. mercury shoes are good because they give you more movement speed and magic resist. heart of gold give you bonus gold and some life. the armor and magic resist makes you more tanky and you can as tank in the fight. With the warmogs you are the tank and you can take the damage of the enemies. Atma´s Impaler and Maw of Malmortius gives you the atack damage to assist your team better and you can kill the enemies quicker. Randuin´s Omen makes you to the tank and now nobody can stop you except all enemies focus you.