V3.8:
Attack damage reduced to 35 from 45.
Unique Passive - Butcher
Damage bonus to monsters increased to 30% from 25%.
Enabled on Twisted Treeline
Enabled on Howling Abyss
V3.5 (Balance Updates):
New recipe:  Spirit Stone +  Long Sword +  Long Sword.
Item cost reduced to 500g from 725g.
Total cost reduced to 2000g from 2300g.
Attack damage reduced to 45 from 50.
V3.5:
Incinerate damage reduced to 6-40 over 3 seconds from 14-50.
V3.03:
Incinerate damage reduced to 14-50 over 3 seconds from 15-66.