Barb WW equipment without character (account), merc, jewels or charms. You can quickly purchase them by checking recommendations below the description.
You need mercenary with Reaper to remove immunities.

This is PvM (Player vs Monsters) build which allows you to deal AOE damage – hit multiple monsters at the same time.
You may request different items, as long as they are priced similarly.

Equippable at 29-65 level.
0% FCR (63+% dual Spirit)
30% FHR (140% dual Spirit)
100+% IAS (only weapon’s speed affects Whirlwind’s attack speed)
50% CB (Crushing Blow)
100% DS (Deadly Strike)
10% OW (Open Wounds)

Equipment stats depend on chosen quality, Bronze items are listed below:
ARMOR: Enigma / Chains of Honor
WEAPONS: 2 x Grief (Phase Blade)
SWITCH: Spirit Sword + Spirit Monarch (they give 63+% FCR)
AMULET: Mara’s Kaleidoscope / Highlord’s Wrath
RING 1: Raven Frost
RING 2: Bul-Kathos’ Wedding Band
HELM: Arreat’s Face / Guillaume’s Face
BELT: String of Ears / Verdungo’s Hearty Cord
GLOVES: Laying of Hands / Chance Guards
BOOTS: Gore Rider

BARBARIAN BREAKPOINTS:
FCR 9 20 37 63 105 200
FHR 7 15 27 48 86 200

20 Whirlwind
20 Sword Mastery
20 Battle Orders
20 Shout
xx Berserk
1 Find Item
1 Increased Speed
1 Natural Resist
1 Battle Command

Strength: enough to equip gear
Dexterity: enough to equip gear
Vitality: everything else
Energy: nothing

	Enigma grants +1 to Teleport (Sorc skill usable by any class). You can teleport anywhere on the screen, even through the walls and your minions like merc will tele with you. At level 5-15 it costs 20-10 mana.
	Grief grants 35% chance to cast level 15 Venom on striking (Assassin buff usable by any class). It lasts for 3 minutes and adds 305-325 poison damage over 0.4 seconds to your physical attacks. It will have 100% uptime.