Here is the full list of all 62 Vivid Knight achievements.
Clear the Tutorial.
Clear the Hermit's Domain.
Clear Starlight Corridor.
Clear Ancient Lab.
Clear Witch’s Maze as Crystal Princess Amelie.
Clear Witch’s Maze as White Witch Zeola.
Clear Witch’s Maze without any accessories equipped.
Clear Witch’s Maze without using rest areas to recover.
Clear Witch’s Maze without using red gems.
Clear Witch’s Maze without taking damage due to insufficient mana.
Clear Witch’s Maze without discarding gems.
Clear Witch’s Maze 5.
Clear Lone Master.
Clear Drops of Mana.
Activate any symbol ability.
Have five or more types of symbol abilities active at the same time.
Upgrade two or more types of units at least once in a single playthrough.
Unlock all units in the White Manor.
Unlock all gems in the White Manor.
Unlock all accessories in the White Manor.
Acquire 20 or more illusions during battle.
Deal burn 100 or more to an enemy.
Deal shock 50 or more to an enemy.
Deal freeze 100 or more to an enemy.
Give an ally godspeed 100 or more.
Acquire 10 or more mirrors during a single battle.
Activate red symbol level 2.
Activate blue symbol level 2.
Activate yellow symbol level 2.
Activate purple symbol level 2.
Activate green symbol level 2.
Activate pink symbol level 2.
Activate orange symbol level 2.
Activate white symbol level 1.
Activate black symbol level 2.
Activate brown symbol level 2.
Activate sun symbol level 2.
Activate moon symbol level 2.
Activate star symbol level 1.
Activate magician symbol level 2.
Activate justice symbol level 1.
Activate wheel of fortune symbol level 1.
Activate chariot symbol level 2.
Activate death symbol level 1.
Activate fool symbol level 1.
Activate tower symbol level 1.
Activate forest symbol level 2.
Activate plum crest symbol level 1.
Activate shield symbol level 2.
Activate thief symbol level 1.
Activate hermit symbol level 1.
Activate emperor symbol level 2.
Activate empress symbol level 1.
Activate strength symbol level 2.
Activate ghost symbol level 1.
Activate stone symbol level 2.
Activate demon symbol level 1.
Activate beast symbol level 2.
Activate plant symbol level 2.
Activate spirit symbol level 2.
Activate hanged man symbol level 1.
Activate level 3 of any symbol ability.