Complete the indicated task to unlock the achievement.

Achievement	How to unlock
A Friend in Need	Cleared a Friend Quest.
A Gleam of Hope (secret)	Cleared A Gleam of Hope.
Accelerated Leap (secret)	Unlocked Nitride Unica.
Berserk Healer, World's End	Cleared an Extra Quest with only Asuna and Black Lotus.
Beyond Millennium Twilight (secret)	Cleared Millennium Twilight.
Black Blades, Silver Wings	Cleared an Extra Quest with only Kirito and Silver Crow.
Bounty Hunter	Cleared 50 quests.
Chain-Fighter	Chained together 8 skills with Skill Connect.
Cold Trap (secret)	Cleared Cold Trap.
Disastrous Moonlight (secret)	Cleared Disastrous Moonlight.
Don't Spend It All in One Place	Used BP to buy something.
First Challenge	Cleared a Challenge Quest.
Get the General!	Defeated the aura-clad monster general.
Highest Level	Raised one character's level to 1000.
Hundred Holder	Acquired 100 total titles.
Let's Go Boss Hunting!	Cleared an Extra Quest.
Lost Wish, Tumultuous Heart (secret)	Cleared Lost Wish, Tumultuous Heart.
Master Technician	Raised one AW character's skill level to 500.
Max Enhance	Raised a weapon from Rank 1 to Rank 10.
Memories of Pixies (secret)	Cleared every Navigation episode.
Mid-Level	Raised one character's level to 500.
Millennium Conqueror (secret)	Obtained all achievements.
Otherworld Wanderer	Destroyed a solid Otherworld object.
Rainbow Songstress (secret)	Unlocked Seven.
Seeking Seals (secret)	Cleared every Mystification episode.
Seven Kings of Pure Color (secret)	Unlocked all seven Kings.
Showdown (secret)	Cleared Showdown.
Skill Expert	Raised one SAO character's skill level to 500.
Surprise!	Cleared a Sudden Quest.
Switch!	Performed a Switch.
The Elements	Cleared an Extra Quest with only Sky Raker, Ardor Maiden, and Aqua Current
The Impatient Skies (secret)	Cleared The Impatient Skies.
The Invader (secret)	Cleared The Invader.
The Mediator	Completed all of Hexe's requests.
The One of Many Names	Received 50 titles.
Timeless Bonds (secret)	Cleared Timeless Bonds.
Ultimate Masterpiece	Enhanced one weapon to +10.
Use The Forge!	Employed a blacksmith's services.
Weapon Collector	Obtained 100 different types of equipment.
You Said It, Miss Strea!	Started episode 5 of Say It, Miss Strea!