Here is the full list of all 26 Blade Assault achievements.
Acquire all types of Gears.
Upgrade Darcy’s weapon [Silence] to Lv.5.
Upgrade Jenny’s weapon [Sidewinder] to Lv.5.
Summon [Jira] as Jenny.
Upgrade Kil’s weapon [Evil Hunter] to Lv.5.
Clear Assault Level 10.
Clear Assault Level 8.
Acquire all types of Electric Cores.
Clear Assault Level 5.
Acquire all types of Ignition Cores.
Clear Assault Level 3.
Upgrade Kil’s weapon [Destroyer] to Lv.5.
Acquire all types of Cryo Cores.
Upgrade all passives taught by Jack to the maximum level.
Defeat the chapter 6 final boss, Ouranos.
Defeat the chapter 6 boss, Panus.
Defeat the chapter 6 Commander, Electra.
Upgrade Kil’s weapon [Inquisitor] to Lv.5.
Increase all resistance member’s friendship levels to the maximum.
Defeat the chapter 5 boss, Cyclops.
Defeat the chapter 4 boss, Plantos.
Defeat the chapter 3 boss, Charlotte.
Defeat the chapter 2 boss, Ratmotan.
Defeat the chapter 1 boss, Mac.
Wake up in Hank’s room after your first death.
Wake up in Hank’s room after falling from Esperanza.