Jungle Lifesteal is an 
Vitality Gem. This Defense type Gem can be slotted in the first slot of the Vitality attribute tree for a total 1,000 
Gold cost.
Slots 1/2/3/4/5 are at nodes 1, 7, 13, 19, 25 respectively
How to obtain
Jungle Lifesteal is obtained at day 20.
Jungle Lifesteal can currently be earned only through chests. Higher rarities have a lower chance of dropping.