You'd need to be level 600... with all 1200 of your stat points added to damage.
In order to kill HoofTest you need ~1700 Attack and ~9780 Damage
You can achieve this by equipping the following items set up (all crafted Perfect where applicable and fully forged)
Item ATT / DAM
Gloves of Renshar 260 / 980
Sphynx Helmet 0 / 895
Ralthien Guard Pendant 285 / 885
Captain’s Blade 260 / 860
Armor of Kithdor 150 / 830
Shield of Roljill 170 / 822
Ring of Reakel 319 / 905
Boots of Abknar 175 / 750
Rune of Cralze 280 / 932
Set Bonus: +100 Damage
TOTAL: 1899 Attack and 7959 Damage
Add the 1200 stat points in damage: 1899 / 9159
Add the following buffs:
lvl 175 Fury = +17.5% of 1200
lvl 175 Berserk = +35% of 1200
lvl 175 Enchant Weapon = +17.5 of 260 / 860 = 45.5 / 150
Buff total: 780
TOTAL ATTACK: 1944
TOTAL DAMAGE: 9929
More than enough to one hit HoofTest.
The end.
(This is purely theoretical... Don't try this at home. They might take it personally and suspend your account.)

