Sorceress

Fire Skills
Firebolt(Fbolt)	-> 16% dmg FB, Meteor
Inferno        	-> 12% dmg Warmth
Fireball(FB)   	-> 14% dmg FB, Meteor
Enchant        	-> 9% dmg Warmth
Meteor		-> 5% dmg Fbolt, FB
		-> 3% afterburn dmg Inferno
Hydra		-> 3% dmg Fbolt, FB

Cold Skills
Ice Bolt(Ibolt)	-> 15% dmg FN, IBlast, GS, Bliz, FO
Ice Blast(IB)	-> 8% dmg Ibolt, Bliz, FO
             	-> 10% freeze time GS
Frost Nova(FN)	-> 10% dmg Bliz, FO
Glacial Strike(GS)-> 5% dmg Ibolt, IBlast, FO
              	  -> 3% freeze time Bliz
Blizzard(Bliz)	-> 5% dmg Ibolt, IBlast, GS
Frozen Orb(FO)	-> 2% dmg Ibolt
Frost Armor(FA)	-> 5% freeze SA, CA
           	-> 10 duration SA, CA
Shiver Armor(SA)-> 9% dmg FA, CA
            	-> 10 duration FA, CA
Chilling Armor(CA)-> 7% dmg FA, SA
              	  -> 10 duration FA, CA

Lightning Skills
Charged Bolts(CB)  -> 6% dmg LTN
Lightning(LTN)	   -> 8% dmg CB, Nova, CL
Chain Lightning(CL)-> 4% CB, Nova, LTN
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Druid

Elemental Skills
Firestorm(FS)	-> 20% dmg MB, FSR
Molten Boulder(MB)-> 10% dmg Voc
		  -> 8% dmg FS
Fissure(FSR)	-> 12% dmg FS, Voc
Volcano(Voc)	-> 12% dmg MB, FSR, AGD
Armagaddom(AGD)	-> 7% dmg FS, MB, Voc
		-> 1 sec duration FSR
Artic Blast(AB)	-> 15% dmg Hurr, CA
Cyclone Armor(CA)-> 7% dmg reduced Tst, Tnd, Hurr
Twister(Tst)	-> 10% dmg Tst, Hurr
Tornado(Tnd)	-> 9% dmg Tst, Hurr
Hurricane(Hurr)	-> 7% dmg Tst, Tnd
		-> 1 sec duration CA

Shaper Shifting
Werewolf	-> (unclear) Lycanthropy
Werebear	-> (unclear) Lycanthropy
Fire Claw	-> 20% dmg FS, MB, FSR, Voc
Rabies		-> 12% dmg Poison Creeper

Summoning
Spirit Wolf	-> (unclear) Dire Wolf, Grizzly
Dire Wolf	-> (unclear) Spirit Wolf, Grizzly
Grizzly		-> (unclear) Spirit Wolf, Dire Wolf
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Amazon

Bow/Crossbow Skills
Fire Arrow(Fa)	    -> 12% dmg EA
Exploding Arrow(EA) -> 12% dmg Fa
Immolation Arrow(IA)-> 5% afterburn dmg Fa
		    -> 10% dmg EA
Cold Arrow(CA)	  -> 12% dmg Ia
Ice Arrow(Ia)	  -> 8% dmg CA
   		  -> 5% freeze time FA
Freezing Arrow(FA)-> 12% dmg CA
		  -> 5% freeze time Ia

Passive/Magic Skills
Valkyrie	-> 20% Life Decoy
		-> +40 AR Penetrate
		-> (unknown) Dodge, Avoid, Evade

Spear/Javelin Skills
Power Strike(PS)    -> 10% dmg LB, CS, LS, LF
Lightning Bolt(LB)  -> 3% dmg PS, CS, LS, LF
Charged Strike(CS)  -> 10% dmg PS, LB, LS, LF
Lightning Strike(LS)-> 8% dmg PS, LB, CS, LF
Lightning Fury(LF)  -> 1% PS, LB, CS, LS
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Assassin

Traps
Fire Blast(FB)	-> 9% dmg SW, CBS, LS, DS, WoF, WoI
Shocked Web(SW)	-> 11% dmg CBS, LS, DS
		-> 1/3 missle FB
Charged Bolt Sentry(CBS)-> 6% dmg FB, LS, DS
		   	-> 1/3 bolt SW
		   	-> 1/4 bolt LS
Lightning Sentry(LS)	-> 12% dmg SW, CBS, DS
Death Sentry(DS)	-> 12% dmg LS
			-> 1/3 shot FB
Wake of Fire(WoF)	-> 8% dmg FB, WoI
Wake of Inferno(WoI)	-> 0.5 yard fire length WoF
			-> 10% dmg FC, DS
			-> 7% dmg WoF

Martial Arts
Fist of Fire(FoF)	-> 12% dmg PS
Claw of Thunder(CoT)	-> 8% dmg PS
Blade of Ice(BoI)	-> 8% dmg PS
Pheonix Strike(PS)	-> 10% fire dmg FoF
			-> 6% afterburn dmg FoF
			-> 13% lightning dmg CoT
			-> 10% cold dmg BoI

Shadon Discipline
*no synergy bonus*

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Necromencer

Poison/Bone Skills
Teeth		-> 15% dmg BW, Bs, BP, BS
Bonespear(Bs)	-> 7% dmg Teeth, BW, BP, BS
Bonespirit(BS)	-> 6% dmg Teeth, BW, Bs, BP
Bone Armor(BA)	-> 15% dmg absorb BW, BP
Bone Wall(BW)	-> 10% HP BA, BP
Bone Prison(BP)	-> 8% HP BA, BW
Poison Dagger(PD)   -> 20% dmg PE, PN
Poison Explosion(PE)-> 15% dmg PD, PN
Poison Nova(PN)	    -> 10% dmg PD, PE

Summoning Skills
Clay Golem(CG)	-> 5% HP BG
		-> 35% Defence IG
		-> 6% dmg FG
Blood Golem(BG)	-> 20 AR BG
		-> 35% Defence IG
		-> 6% dmg FG
Iron Golem(IG)	-> 20 AR CG
		-> 5% HP IG
		-> 6% dmg FG
Fire Golem(FG)	-> 20 AR CG
		-> 5% HP BG
		-> 35% Defence IG

All Golems gain bonus from Golem Mastery
Skeletons, Skeleton Magis and Revives gain bonus from Skeleton Mastery
All minions gain bonus from Summon Resist

Curse Skills
*no synergy bonus*

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Barbarian

Warcries
Shout		  -> 5 sec duration BO, BC
Battle Order(BO)  -> 5 sec duration Shout, BC
Battle Command(BC)-> 5 sec duration Shout, BO
War Cry		-> 6% dmg Howl, Taunt, Battle Cry

Combat Skills
Bash		-> 5% dmg Stun
		-> 5% AR Conc
Stun		-> 8% dmg Bash
		-> 5% AR Conc
		-> 5% stun time War Cry
Concentrate(Conc)-> 5% dmg Bash
		 -> 10% dmg BO
		 -> 1% magic dmg BSK
Beserk(BSK)	-> 10% dmg Howl, Shout
Double Swing(DS)-> 10% dmg Bash
Double Throw(DT)-> 8% dmg DS
Frenzy		-> 8% dmg DS, Taunt
		-> 1% magic dmg BSK

Mastery
*no synergy bonus*

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Paladin

Offensive Auras
Holy Fire(Hf)	-> 16% dmg Might
		-> 5% Salvation
Holy Freeze(HF)	-> 14% dmg Resist Cold
		-> 7% dmg Salvation
Holy Shock(HS)	-> 12% dmg Resist Lightning
		-> 4% dmg Salvation
Sanctuary(SC)	-> 7% magic dmg CLS

Defensive Auras
Cleansing(CLS)	-> (unknown) (unknown)
Meditation	-> (unknown) (unknown)

Combat Skills
Sacrifice(Scr)	-> 7% dmg Redemption
		-> 4% dmg Fanaticism
Zeal		-> 12% dmg Scr
Vengence	-> 5% elemental dmg Resist Fire/Cold/Lightning
		-> 2% elemental dmg Salvation
Fist of Heaven(FoH)-> 15% Holy Bolt dmg HB
		   -> 7% Lightning dmg HS
Holy Bolt(HB)  	  -> 17% dmg BH
		  -> 17% dmg FoH
		  -> 7% heal amount Prayer
Blessed Hammer(BH)-> 15% dmg Blessed Aim, Vigor
Charge		  -> 8% dmg Vigor, Might
Holy Shield	  -> 15% defence Defiance