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On the more technical side, Perks are dished out in increments of 20, so a skill is actually a perk with "20 ranks". Simplified perk hierachy illustration Skill By reaching a player level of 15 and thus unlocking a whole range of perks, the player has the opportunity to specialize his skills. To some extend even by reaching key points in Settler Skill.

But also by finding Bobbleheads and by performing activities in the field which is called "Dynamic Skill Gain". As usual by reading books like the Vault-Tec Training Manual or the " You're SPECIAL!" comic both give +1 perk point. Perks can be unlocked through a variety of ways in Horizon.

Thus, to a certain extend, the player can partially progress without spending ranks in skill-related perks. The most significant change is the fact that many Perks are tied to Skills. Horizon introduces numerous changes to Perks.
