Terrain Tactician

Rangers who pick this archetype gain an increased knowledge of each terrain and how to best use it for their advantage both in and out of combat. 

Terrain Adept

At 3rd level, the benefits that are normally provided only for your favored terrain apply to all other terrains as well. 

Advantageous Terrain

At 7th level, you gain the ability to harm your enemies based on the terrain you are in. For each action, you gain an additional use if it applies to your favored terrain. 

Terrain Technician

At 11th level, you gain the following action and one of the following options. 

Arctic

This gives you Arctic terrain as a favored terrain. 

Coast

This gives you Coast terrain as a favored terrain. 

Desert

This gives you Desert terrain as a favored terrain. 

Forest

This gives you Forest terrain as a favored terrain. 

Grassland

This gives you Grassland terrain as a favored terrain. 

Mountain

This gives you Mountain terrain as a favored terrain. 

Swamp

This gives you Swamp terrain as a favored terrain. 

Underdark

This gives you Underdark terrain as a favored terrain. 

Terrain Prodigy

At 15th level, you gain an additional use of each of your advantageous terrain actions. 

Additionally, you and your allies get +3 to hit for all attacks if you are on a hill and an additional +1 AC in all degrees of cover.