Diablo 3 Monk Class Achievements Guide

Restoring Balance (10 Points)
Achievement Reward: Banner Accent (Monk's Maces)
Complete Act IV with a Monk on Normal Difficulty

Servant of the Golds (10 Points)
Complete Act IV with a Monk on Nightmare Difficulty

Enlightened One (10 Points)
Complete Act IV with a Monk on Hell Difficulty

Grand Master (10 Points)
Achievement Rewards: Banner Sigil (Runes of Ivgorod)
Complete Act IV with a Monk on Inferno Difficulty

Champions of Ivgorod (10 Points)
Reach level 60 with 2 Monks

Secret Weapons of the Veradani (10 Pts)
Equip a Spirit Stone and a Fist Weapon or Daibo at the same time

You should find these as drops from enemies, or just buy from AH if you are not the patient type.

Meditation (10 Pts)
Use Mantra skills to grant a beneficial effect to an ally 200 times

Skills you could use are Mantra of Evasion (Lvl 19), Mantra of Retribution (Lvl 21), Mantra of Healing (Lvl 26), and Mantra of Conviction (Level 30)

Ambuscade from Seven Sides (10 Pts)
Achievement Reward: Banner Sigil (Fist of the Gods)
Hit 7 enemies with one Seven-Sided Strike

Seven Sided Strike is a level 17 Focus Skill. Use from inside a large group of enemies

Like Water (10 Points)
Dodge 15 attacks in a row

Mantra of Evasion (level 19 skill), The Guardians Path (Level 13 Passive), Sixth Sense (Level 27 Passive), Fists of Thunder (Level 1) with Lightning Flash Rune (Level 14) are all skills that can help you unlock this achievement.

Spirited Away (10 Points)
Kill 150 enemies without reaching maximum spirit

Use skills that cost spirit. Make sure you don't level up in the progress, as this will reset the effort on this achievement.