Long experience fighting together enables the ranger and animal companion to fight as a highly efficient team. The Ranger's animal companion gains +1 Engagement.
(Stalker's Link) - The ranger now also gains and Accuracy bonus when fighting any enemy threatened by the animal companion
Stalker's Link is a passive Ranger Ability in Pillars of Eternity 2: Deadfire. Abilities are usually class-specific, and players may opt to make a Multiclass character in order to pick from a mixture of two different ability trees. However, rarely some Abilities can be found in 2 or more Classes.
Stalker's Link Information
Stalker's Link Tips & Notes