Sore point: Critical hits from crossbow disables monster special abilities for 5 seconds.Snowledge of anatomy: Increases critical chance by +5%.Cold blood: Every successful hit with crossbow generates 0,04 adrenaline points.Reflex: Slow time effect while aiming with crossbow is increased by 15%.Deadly Precision: Every point of adrenaline increases your instant kill chance by 1%.Riposte: Next attack after successful counterattack deals increased damage by +30% for every level of skill.Footwork: Reduces damage taken while dodging.Arrow deflection: Parrying allow to deflect arrows.Fulminant Strike: Reduces enemy defence by 5%.Ignores enemy defence and increases critical chance by 10%. Cleave: Inflicts increased damage in proportion to used Endurance/Vigor.Crushing Blow Increases critical chance of strong attacks by 2% and their damage by 15%.Strength Training: Damage of strong attack is increased by 5%.Strong Attack (allows to use Strong Attacks, which ignores enemy armor): Mutilation: Inflicts bleeding effect to enemy, which deals 25 damage per second.Unkeeping this skill drains Vigor/Endurance, if depleted drains Adrenaline. Whirlwind: Continuous attack aimed for all enemies around Geralt.Precise Cuts: Increases critical chance of fast attacks by 2% and their damage by 15%.Muscle Memory: Damage of fast attack is increased by 5%.

Maybe Collectibles will have skillpoint rewards.

From visiting Shrines/Places of power (which gives you long buff like in previous games, and give one skill point on first usage of individual shrine).

From Leveling up Geralt (one per level).

Skill and mutagen slots are unlocked while getting character levels (it's progressive).You can reset your abilities, at any time, with elixir which you need to buy.So choose wisely, which skills you want to have equipped. There are 70 skills, and only 12 slots for skills.Mutagens synergies with 3 skills equiped next to it, of same color (green with green, red with red), multiplying effect of that mutagen.To unlock second line/tier of skills you need to spend 8 points in that tree, 20 for third line, 30 for fourth.Source & and is based on Remigiusz Maciaszek's videos.

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