Example.
Blade Skill.
Abilities:
Disarm Attack: 15 % chance to disarm Next Upg: 20 % Chance to Disarm. [Unlocked]
Bleed: - 1dmg for 5 seconds. Next Upg: 3 dmg for 7 seconds. [Locked]
Light Armor Penetration: Increased light armor penetration with 8 %. NExt Upg: 12 % Penetration. [Unlocked]
Example 2.
Destruction Skill.
Abilities:
Freeze: 15 % chance to freeze an enemy for 7 seconds with frost spells. Next Upg: 23 % chance to freeze enemy for 10 seconds. [Locked]
Scorching: +2 burn dmg for 6 seconds to fire spells. Next upg: 3 dmg for 7 seconds. [Locked]
Lightning Beam: Peformed by holding down the cast button with a shock spell as you like until your magicka is drained. [Unlocked]
Now, when you level up, you get 3 points to upgrade an ability or either unlock a new one. Of course there will be way more abilities to each and every skill. You are welcome to add new abilities.
Thoughts?