Updated:
Name

Classes

Statistics Powers granted

Master of Axes icon  Master of Axes

Assassin,  Knight,  Myrmidon,  Ranger, 

Damage Bonus: Slashing +6.25

Furious-Slash
Furious-Slash-2
Demolish-Armor
Berserker-Strength

Master of Great Swords icon  Master of Great Swords

Templar, 

Slashing Damage Bonus +6.25

Critical-Hack
Restoration-Strike
Iron-Skin

Master of Bows icon  Master of Bows

Assassin,  Champion,  Knight,  Myrmidon,  Ranger, 

Slashing Damage Bonus +5
Crushing Damage Bonus +5
Piercing Damage Bonus +5
Ranged Distance Bonus +5
Equip: +Basic Bows
Equip: +Reflex Bows
Equip: +Arrows
Equip: +Exotic Arrows
+Ranged
+Ammo
Tray: +Ranged

Hunker-Down
Multi-Shot

Master of Great Axes icon  Master of Great Axes

Champion, 

Slashing Damage Bonus +6.25

Furious-Slash
Furious-Slash-2
Demolish-Armor
Berserker-Strength

Master of Shields icon  Master of Shields

Cleric,  Druid,  Knight, 

Crushing Damage Bonus +6.25
Equip: +Small Bucklers
+Shield Slot

Shield-Glare
Shield-Glare-2
Basic-Block
Numbness

Master of Focus icon  Master of Focus

Confessor,  Frostweaver, 

Fire Damage Bonus +6.25
Ice Damage Bonus +6.25

Nova
Piercing-Orb
Mana-Shield
Mind-Revenge

Master of Great Maces icon  Master of Great Maces

Assassin,  Cleric,  Knight,  Myrmidon,  Ranger, 

Crushing Damage Bonus +6.25

Skullcracker
Skullcracker-2
Reverberating-Blow
Will-Of-The-Stoneborn

Master of Mystical Staves icon  Master of Mystical Staves

Druid, 

Electricity Damage Bonus +6.25

Grasping-Roots
Soothing-Winds
Stars-Align
Quick-Burn
Slow-Growth

Master of Maces icon  Master of Maces

Assassin,  Cleric,  Knight,  Myrmidon,  Ranger, 

Crushing Damage Bonus +6.25

Skullcracker
Skullcracker-2
Reverberating-Blow
Will-Of-The-Stoneborn

Master of Rapiers icon  Master of Rapiers

Assassin,  Duelist,  Ranger, 

Piercing Damage Bonus +6.25

Critical-Slice
Critical-Slice-2
Cut-And-Thrust
Cut-And-Thrust-2
Hamstring

Master of Arcane icon  Master of Arcane

Confessor, 

Fire Damage Bonus +6.25

Firewall
Redemption
Concentration

Master of Pistols icon  Master of Pistols

Duelist, 

Crushing Damage Bonus +6.25
Ranged Distance Bonus +10
Equip: +Main Hand Pistols

Pistol-Shot
Pistol-Shot-2
Pistol-Shot-3
Rapid-Fire-Pistols
Critical-Dodge
Careful-Aim

Master of Daggers icon  Master of Daggers

Assassin,  Duelist,  Ranger, 

Piercing Damage Bonus +6.25

Crippling-Stab
Crippling-Stab-2
Slow-Demise
Slow-Demise-2
Steal-Soul

Master of Swords icon  Master of Swords

Assassin,  Knight,  Ranger, 

Slashing Damage Bonus +6.25

Critical-Hack
Critical-Hack-2
Restoration-Strike
Restoration-Strike-2
Iron-Skin

Master of Hammers icon  Master of Hammers

Assassin,  Cleric,  Knight,  Myrmidon,  Ranger, 

Crushing Damage Bonus +6.25

Clobber
Clobber-2
Restoration-Smash
Restoration-Smash-2
Cleave

Master of Scimitars icon  Master of Scimitars

Druid, 

Electricity Damage Bonus +6.25
Equip: +Small Bucklers
Equip: +Mystical Scimitars
+Shield Slot
Tray: -Life Tray

Call-Storm
Grounding
Stormcaller