Starding Items Hunter's Machete 2x Health Potion
Core: Titanic Hydra Dead Man's Plate Ranger's Trailblazer - Cinderhulk
Against AD: Ninja Tabi - Furor Frozen Heart Randuin's Omen
Against AP: Mercury's Treads - Furor Spirit Visage Banshee's Veil
Always good: Warmog's Armor Frozen Mallet
Try to hold you're crystals as long as possible and fight in them.
If you gank try to come from behind and lay an E for slow and stun if it is a mid gank or adc gank R to get the easy kill with you're laner/laners