A Wizard was reportedly one of the very first classes to solo kill Diablo on Inferno difficulty. The trick that was used was to kite Diablo while using damage over time and companion support. The build used was an elective build that utilized companions, massive survival skills, quick-cast AoEs, increased damage passives and the likes. This build is built to kill just about anything you can find as long as you have enough time to sit around and kite, cast, dodge and dance. Here’s how it works:
There are no primary, secondary, etc abilities here. Just grab the abilities and put them into whatever key bindings you want them in.
Venom Hydra. This companion will continually attack your target regardless of whether you’re standing still, kiting or talking on the phone.
Blizzard. Cast this while you’re on the move and the ice will do the rest. Use the Unrelenting Storm skill rune if you’re level 60 otherwise just maximize the damage accordingly. Cast… run! Cast… run! Save up your Arcane Power to make sure this is going as often as possible.
Slow Time. Slow down your target and speed up your allies. This is an essential aspect of this build that allows you to survive without costing extra Arcane Power. The cool down is 20 seconds, if you use it every 20 seconds you’ll increase your chances of survival significantly. The Stretch Time skill rune is exaggerates the effect of this skill. If you’re not level 53 consider using Perpetuity to increase the frequency that you can use this ability.
Diamond Skin. This one goes without explanation. Adsorb up to 21,707 damage every 15 seconds without using any Arcane Power. The Crystal Shell skill rune makes this very powerful.
Energy Armor with Force Armor. This is the 2 minute buff of choice for this build. It increases your armor but reduces your Arcane Power. Your Arcane Power cap won’t matter in a long fight that involves tons of kiting since you’ll seldom let your AP build up higher than 50-60.
Magic Weapon. This is a ‘passive’ ability in that you only have to cast it every 5 minutes. With the Force Weapon skill rune you’ll get 15% more damage as long as this is kept up.
Passives are selected to increase damage and regenerate Arcane Power. To regenerate AP select Astral Presence. To buff your Blizzard (your only real attack here) use Cold Blooded and to buff all damage use Glass Cannon.
As you can see the only Arcane Power attack is Blizzard and it has no cooldown. You’ll generate the AP quickly with Astra Presence. Your damage is increased 15% with Magic Weapon and 15% with Glass Cannon. You’ll get another 20% buff to Blizzard with Cold Blooded. Blizzard’s skill rune: Unrelenting Storm will increase it’s damage to 280% and make it rain for 8 seconds total.
Keep your Hydra out along with Energy Armor and Magic Weapon active. Use Blizzard every time it’s available. Use Slow Time everytime it’s up and Diamond Skin whenever you need it but no more often than every 15 seconds.
This build should help you defeat any boss with your Wizard. Good luck!
Important: Many of the strategies and tips I share here were originally inspired by the people at the Diablo 3 Gold Secrets Forum. If you're serious about making the big bucks in Diablo 3, or just being the best players, you need to signup ASAP.