Why not use crafted hammerhead axe with +4 barb skills and +MotW, and
Clawscratch

Clawscratch
Blade (4)
One-Hand Damage: (8 - 10) to (25 - 36)
Required Level: 10
Required Dexterity: 61
Item Level: 19
Dexterity Damage Bonus: (0.11 per Dexterity)%
+1 to Druid Skill Levels
+3% Bonus Damage to Mark of the Wild
(11 to 25)% Duration Bonus to Mark of the Wild
15% Attack Speed
15% Hit Recovery
+(16 to 25) to Maximum Damage
+(24 to 46)% Enhanced Damage
10% Chance of Crushing Blow
Socketed (1)
One-Hand Damage: (21 - 24) to (66 - 78)
Required Level: 28
Required Dexterity: 95
Item Level: 36
Dexterity Damage Bonus: (0.11 per Dexterity)%
+(1 to 2) to Druid Skill Levels
+6% Bonus Damage to Mark of the Wild
(41 to 55)% Duration Bonus to Mark of the Wild
25% Attack Speed
25% Hit Recovery
+(41 to 50) to Maximum Damage
+(69 to 92)% Enhanced Damage
15% Chance of Crushing Blow
Socketed (2)
One-Hand Damage: (40 - 45) to (106 - 119)
Required Level: 47
Required Dexterity: 188
Item Level: 51
Dexterity Damage Bonus: (0.11 per Dexterity)%
+(2 to 3) to Druid Skill Levels
+9% Bonus Damage to Mark of the Wild
(71 to 85)% Duration Bonus to Mark of the Wild
35% Attack Speed
35% Hit Recovery
+(61 to 70) to Maximum Damage
+(115 to 137)% Enhanced Damage
20% Chance of Crushing Blow
Socketed (3)
One-Hand Damage: (52 - 57) to (132 - 147)
Required Level: 54
Required Dexterity: 373
Item Level: 85
Dexterity Damage Bonus: (0.11 per Dexterity)%
+(2 to 4) to Druid Skill Levels
+12% Bonus Damage to Mark of the Wild
(86 to 100)% Duration Bonus to Mark of the Wild
40% Attack Speed
40% Hit Recovery
+(71 to 80) to Maximum Damage
+(138 to 160)% Enhanced Damage
25% Chance of Crushing Blow
Socketed (3)
(later upgraded to
Instinct
Instinct
One-Handed Axes
'IgnGurTyrZod'
Runeword Level: 115
+6 to Druid Skill Levels
+(48 to 60)% Bonus Damage to Mark of the Wild
+(18 to 20)% Bonus Elemental Damage to Mark of the Wild
110% Attack Speed
(150 to 250)% Bonus to Attack Rating
+(45 to 55)% to Fire Spell Damage
-50% to Enemy Fire Resistance
Physical Resist (10 to 15)%
+(215 to 265) Life after each Kill
), on switch? Is MotW that weaker than Bloodlust?
How about (very expensive, I know) buffing combo of
Berserrker
Berserrker
Backsword (Sacred)
One-Hand Damage: (130 - 144) to (138 - 153)
(Barbarian Only)
Required Level: 100
Required Strength: 526
Item Level: 120
Strength Damage Bonus: (0.16 per Strength)%
1% Chance to cast level 2 Gift of Inner Fire on Striking
+(2 to 3) to All Skills
+(18 to 24)% Bonus Damage to Bloodlust
+(18 to 24)% Bonus Damage to Mark of the Wild
60% Attack Speed
+(171 to 200)% Enhanced Damage
+1 to Bloodlust
+1 to Gift of the Wild
Socketed (3)
and
The Colonel
The Colonel
Military Pick (Sacred)
One-Hand Damage: 132 to 156
Required Level: 100
Required Strength: 500
Item Level: 120
Strength Damage Bonus: (0.11 per Strength)%
+500% Weapon Physical Damage
50% Chance to cast level 1 Snake Bite on Melee Attack
+24% Bonus Damage to Bloodlust
+24% Bonus Damage to Mark of the Wild
30% Attack Speed
+200% Enhanced Damage
10% Deadly Strike
Socketed (6)
? Something tells me it might beat double
Qarak's Will
Qarak's Will
Giant Sword (Sacred)
One-Hand Damage: (150 - 163) to (233 - 246)
Two-Hand Damage: (206 - 225) to (285 - 305)
Required Level: 100
Required Strength: 480
Item Level: 105
Strength Damage Bonus: (0.16 per Strength)%
15% Chance to cast level 34 Spike Nova on Melee Attack
6% Chance to cast level 40 Pentagram on Melee Attack
10% Chance to cast level 36 Bloodlust on Kill
+(30 to 60)% Bonus Damage to Bloodlust
Adds 50-125 Damage
Adds 84-167 Fire Damage
+(26 to 38)% to Fire Spell Damage
+(140 to 170)% Enhanced Damage
+(100 to 250) Life after each Kill
5% Reanimate as: Random Monster
Socketed (4)
, and in any case, it's FAR more convenient to cast Bloodlust and Mark/Gift of the Wild when you need them instead of relying on on-kill proc.