SHADOW STING NERFED! ):

Shadow Sting Stance: http://bookofwind.blogspot.com/2010/07/shadow-sting.html

Silver Sever 5.0.12

Skill Name	Original	Changed
Eagle Eye	level 10 Penetration +20% level 11 Penetration +22% Attack Rating +1 level 12 Penetration +24% Attack Rating +1	level 10 Penetration +10% level 11 Penetration +10% Attack Rating +1 level 12 Penetration +15% Attack Rating +1
Heart Breaker	level 10 ATK 533%	level 10 ATK 434%
Bolt Sequence	level 10 ATK 1641%	level 10 ATK 1337%
Back Step Inferno	level 10 ATK 953%	level 10 ATK 776%
Shadow Dawn	level 10 ATK 1444%	level 10 ATK 1176% increased damage against Heavy Armour

Information from: http://bookofwind.blogspot.com/2010/07/silver-server-5012.html