To get Phylarch the Evergreen you'll need a Level 3 Lumber Mill. To get the Tier 3 blueprints for your garrison buildings, you will have to complete Upgrading the Mill, which includes turning in 75 orders in the Lumber Mill and completing Reduction in Force and Legacy of the Ancients.
After this, you'll be able to log Large Timbers. Logging them, you will have Phylarch to spawn 3 times before he "surrender" and join your side. It becomes one of your followers.
1.You will get rare follower:Phylarch the Evergreen.
2.You need to provide your account.
3.Your character needs to be lvl 100.
4.2-3days.