Elusive Shadow - Unlocks the Nightstalker subclass node Shadestep for free. Gain an evade on , . It doesn't say 'grants Shadestep', it says unlock "node". Can only unlock the node if you have it. Touch of Venom - Gain invisibility after crouching in place for a short time. Melee attacking an enemy from behind while invisible delivers 4x damage. Melee attacks apply a lingering damage effect. See here? No mention of subclass or nodes, just the ability.