Talent tree concepts (A-E)
For those of you unfamiliar with the concept, a talent tree is something you unlock by levelling up your champion to improve their stats or abilities.
At each level with a talent, you have the choice between two (in dota) or more (in HOTS) potential bonuses. These range from minor stat buffs to improvements to your abilities to new abilities entirely.
I'll be basing this on Dota's system, since the system in HOTS is super convoluted from what I understand.
Under this system, you gain an extra skill point at levels 8, 13, and 18. This skill point can only be used on talents.
This will increase the overall power level in the game, and to compensate I'd probably phase out keystones.
Level 8: +200 HP or -1 second Umbral Dash CD
Level 13: +75% World Ender Attack Speed or +20% Darkin Blade ratio
Level 18: World Ender Refreshes in Combat or +100 movement speed
Level 8: +40% attack speed or +150 charm range
Level 13: -2 seconds Fox Fire CD or +25% Vastayan Grace movement speed
Level 18: +1 Spirit Rush Dash or Vastayan Grace grants invisibility
Level 8: +10 armor and magic pen or +20% assassin's mark movement speed.
Level 13: +3 seconds shroud duration or +50 AP
Level 18: Assassins mark true damage or Kills reduce remaining CD's by 5 seconds.
Level 8: +60 AD or +20 armor/MR
Level 13: +50 HP5 or + 200 Headbutt range
Level 18: Triumphant Roar refreshes basic CD's or Unstoppable during Unbreakable Will
Level 8: +0.5 seconds Tantrum hit CDR or -2 seconds Bandage Toss CD
Level 13: +1% Despair damage or Tantrum blocks magic damage
Level 18: +200 Curse of the Sad Mummy Radius or -50 seconds Curse of the Sad Mummy CD
Level 8: +15 MP5 or +75 cast range
Level 13: +25% Frostbite Crit damage or +300 Glacial Storm radius
Level 18: Vector Target Crystalize or -6 seconds Glacial Storm CD
Level 8: +60 Tibbers attack damage or +250 HP
Level 13: x2 Molten Shield or +45 movement speed
Level 18: +350 Summon: Tibbers cast range or -1 cast for Pyromania
Level 8: +10% Frost Shot slow or +20 AD
Level 13: +1 second Enchanted Crystal Arrow max stun or -30 seconds Hawkshot CD
Level 18: +150 attack range during Ranger's Focus or +25% armor penetration
Level 8: 8% spell vamp or +20 star damage
Level 13: +40 movement speed or +300 HP
Level 18: +2 stars or Comet of Legend invisibility.
Level 8: +20% attack speed or -2 seconds Conquering Sands CD
Level 13: +3 seconds Soldier duration or +35 AP
Level 18: Emperor's Divide Impassible or Shifting Sands 1 second stun
Level 8: +20 XP per chime or +75 attack range
Level 13: -5 seconds Magical Journey CD or+75 Cosmic Binding secondary range
Level 18: Caretakers Shrine cleanses or 2 Meeps per attack
Level 8: +300 mana or +40 AD
Level 13: +100 Rocket Grab damage or Static Field passive stuns for 0.2 seconds
Level 18: +2 seconds Static Field silence or double Power Fist damage
Level 8: +0.5 seconds Sear stun or +15 movement speed
Level 13: +75 Pillar of Flame AOE or -2 Conflagration CD
Level 18: Infinite Pyroclasm bounces or Blaze true damage
Level 8: +25 movement speed or +2% max HP Winter's Bite damage
Level 13: -2 seconds Concussive Blows CD or Frontal damage immunity during Unbreakable.
Level 18: +100% attack speed or Radial Glacial Fissure.
Level 8: +15 AD or +300 vision range.
Level 13: +15 Lethality or +20 movement speed
Level 18: +270 attack range or Global Ace in the Hole
Level 8: +300 HP or -4 seconds Adaptive Defenses CD
Level 13: Furor or Empowered Precision Protocol 100% cleave
Level 18: 2 Hookshot Charges or Hextech Ultimatum Silences
Level 8: +15 magic penetration or +150 Health
Level 13: +20% Miasma Slow or +75 cast range
Level 18: 360 degree petrifying Gaze or +2% current HP empowered Twin Fang damage
Level 8: +50 Rupture radius or x2 Carnivore Healing
Level 13: +50 HP per Feast Stack or +1 Vorpal Spikes attack
Level 18: Unstoppable or +250 AD
Level 8: +15 movement speed or +100 Phosphorus Bomb damage
Level 13: +400 Valyrie distance or +35 AD
Level 18: 0 second Package CD or Flight: see over walls, gain the ability to fly over terrain.
Level 8: +3% Decimate healing or +15% attack speed
Level 13: +30 movement speed or +50 Noxian Might AD
Level 18: Noxian Guillotine kills reset basic ability CD's or Unstoppable during Noxian Might
Level 8: +75 Moonfall radius or +45 Pale Cascade Shield
Level 13: +75 Lunar Rush damage or -2 seconds Crescent Strike CD
Level 18: Kills reset Lunar Rush or Ground targeted Moonfall (675 cast range)
Level 8: +15 armor/MR or +15% Sadism movement speed
Level 13: +3% Infected Cleaver damage or +5 max Masochism stacks
Level 18: +20% max HP or +1% healing per 1% missing HP
Level 8: +0.75 gold per League of Draven stack or +10 Lethality
Level 13: +10% lifesteal or Removed Blood Rush mana cost
Level 18: +1 spinning Axe or +25% critical damage
Level 8: +10 movement speed or +75 Phase Dive attack range
Level 13: +0.5 seconds Parallel Convergence stun or +60 AP
Level 18: -20 seconds Chronobreak CD or Removed Z-drive resonance CD
Level 8: +10 spider form healing or +15 movement speed
Level 13: +300 Rappel range or +25 Spiderlings attack damage
Level 18: -5 seconds Cocoon CD or +35% magic penetration
Level 8: +50 movement speed while unseen or +250 Demon Shade regen threshold
Level 13: Last Caress triggers Demon Shade or +25 Whiplash range, +75 Empowered Whiplash range
Level 18: Last Caress execution deals true damage or -250 Demon Shade detection range
Level 8: +2 Essence Shift targets or +25 Essence Flux damage
Level 13: -10 Mystic Shot mana cost or Trueshot Barrage deals full damage to minions
Level 18: +10 AD per Rising Spell Force stack or +300 Trueshot Barrage damage