Here is the full list of all 20 CyberHoney achievements.
Unlock Hero [Shion Muramasa]
Unlock Hero [Ashanti]
Unlock Hero [Vel Kyrie]
Unlock Hero [Julia Ferros]
Unlock Hero [Kagura Mai]
Unlock Hero [Sigurd Odinson]
Unlock Hero [Yoori Kim]
Unlock 80 weapons
Unlock 50 fashion items
Finish the initial challenge
Complete Nightmare Challenge V
Clear Hell Challenge V
Chaotic mode
Refresh rewards 10 times in the challenge
Upgrade weapons once
Transform weapons once
Fully modify any weapon
Unlock any forbidden weapon
Cost 1,000,000 gold coins
Cost 10000 space-time Imprints