Masteries Design

Fire

• Blazing Trail - Flame patches lasts longer
• Wave of Flames - ???
• Immolate - Larger area of effect/longer decay time
• Living Bomb - Damage upon death is based on Total health of victim - increase percentage of that
• Wildfire - stacks of burn applied with wildfire
• Rain of Fire - Duration
• Rain of What??? - Increased fear duration
• Firestorm Fury - Increase attack speed during effect

Storm

• Call Lightning - ???
• Chain Lignthing - Number of jumps
• Conduit - ???
• Lightning Rod - ???
• Thunderclap - Longer stun bonus for enemies affected with conduit
• Stormborn Resilience - More shield?
• Echoing Thunder - increased effectiveness of created lightnings
• Overload - Reduced number of stack required to trigger the effect
• Discharge - ???
• Closed Circuit - effect restores some of the ability damage (each jump reduces damage) - mastery could restore more of it
• Eye of the Storm - Increase effectivenes of chain and call lightning triggered from this

Blood

• Blood in the water
• Deep wounds
• Relentless Butcher
• Crimson Frenzy
• Sanguine Burst
• Thirst For blood - additional base life steal
• Bloodlust - Increase attack bonus speed 
• Hemmorrhage - increase number of stacks applied ? (make 2 as base, and 5 as cap)
• Bloodletting - increased percentage damage (like living bomb)
• Rending slash - Increased ability range

Arms

• Relentless - more crit strike buff
• Restless Blades - more cooldown reduction
• Second Wind - more hp per killing blow
• whirlwind - ???
• Ruthless - ???
• Blade DAnce - ???
• Unbreakable will - ???
• Surge of the blade - ???
• Weapon Mastery - ???
• Cleaving Strike - ???
• Warrior's Poise - ???

Earth

• Obsidian Scales - damage is spread over longer duration
• Tectonic Pressure - Clear more damage stored in obsidian scales
• Earthquake - More frequent damage ticks 
• Aftershock - Duration increase is ... increased ?