Oil Pool
Arrows now leave an Oil Pool at the impact location
In the game
Where to get
Show on the tree It opens the Human tree, shown with the Elemental Ranger archetype.
It opens when any one of the nodes it needs has a point.
Numbers
Tree
Human
HumanUpgrades
Hail Of Arrows: Oil Pool
Hail Of Arrows: Oil PoolWhat it changes
Each arrow leaves an Oil Pool where it lands.
This part of the spell's code changed in a later game update, so we show no number.
Hail Of Arrows Rate Of Fire Increase III
Hail Of Arrows Damage Increase I
Poison Pool
Barrage of Arrows
Pinning Hail