What if Every Lane Had a Mastery Tree?
Im not saying, this should be added, but it would be interesting to think about.
Top Lane
Tier 1 Masteries
Rebellious Nature (4 Points) +2/4/6/8 Tenacity
Combat Agility (4 Points) +1/2/3/4% Movement Speed while in combat
World Traveler (1 Point) Reduces the cool down of Teleport by 20 seconds, increased to 30 seconds when used on a tower
God Complex (2 Points) +3/6% increased damage to minions
Double-Edged Sword (1 Point) +2% Damage +1% Damage Taken (Melee) +1.5% Damage +1.5% Damage Taken (Ranged)
Tier 2 Masteries
Iron Defense (3 Points) -2/3.5/5% Damage from units further than 625 units from you
True Willpower (1 Point, Requires 4 Points in Rebellious Nature) +10 Tenacity Against Displacement Effects
Righteous Force (2 Points) +1.5/3% increased damage against targets affected by crowd control
Booming Power (1 Point, Requires 2 Points in God Complex) +4 damage against minions with basic attacks and single target abilities
Regenerative Skin (1 Point) +2 Health Regeneration
Tier 3 Masteries
Armor Theft (2 Points) Steal 1/2% of the target's armor and magic resist upon damaging them
War General (4 Points) Nearby allied minions and summons gain 2/3/4/5% increased damage
First Aid Kit (1 Point, Requires 1 Point in Regenerative Skin) +6% Increased Health Regeneration (Melee) +3% Increased Health Regeneration (Ranged)
Veteran's Scars (4 Points) +9/18/27/36 Health
Tier 4 Masteries
Juggernaut (1 Point, Requires 4 Points in Veteran's Scars) +3% increased health
Bronze Armor (2 Points) +2/4 Armor
Anti-Magic Cloak (2 Points) +1.5/3 Magic Resist
Recovery (3 Points) Regenerate an extra 0.35/0.65/1% of your missing health every 5 seconds
Tier 5 Masteries
Power Game (4 Points) +1/1.5/2/2.5% Damage to Champions
Reinforced Armor (1 Point, Requires 2 Points in Bronze Armor) Take 10% reduced critical strike damage
Evasive (1 Point, Requires 2 Points in Anti-Magic Cloak) Take 4% reduced area of effect damage
Second Wind (1 Point, Requires 3 Points in Recovery) Increases self-healing, Health Regeneration, Life Steal, and Spell Vamp by 10% when below 25% health
Tier 6 Masteries
Duelist (2 Points) Deal 2/5% increased damage to the same enemy unit if you have struck them before within 2.5 seconds
Hardiness (2 Points) Take 2/4% reduced damage
Siege Commander (2 Points) Deal 3/6% increased damage to enemy structures
Cataclysmic Power (2 Points) Area of effect spells deal 2/4% increased damage
(An example Top Lane Mastery Page)