Each piece requites a Dark Phoenix Feather which you get from defeating Final Blix.
Dark Phoenix Feather Globe
Location: Subzero
Cost: 10 million zenni
Worn: Light
Stats: +1 to STR, +9 to HITROLL, +9 to DAMROLL, +5 to CHA
Dark Phoenix Feather Tunic
Location: Namek
Cost: 40 million zenni
Worn: On Body
Stats: +3 to STR, +6 to INT, +6 to WIS, +21 to HITROLL, +24 to DAMROLL, +15 to CHA
Dark Phoenix Feather Mask
Location: Asteroid
Cost: 32 million zenni
Worn: Head
Stats: +2 to STR, +6 to INT, +6 to WIS, +16 to HITROLL, +17 to DAMROLL, +10 to CHA
Dark Phoenix Feather Leggings
Location: Konack
Cost: 33 million zenni
Worn: Legs
Stats: +2 to STR, +6 to INT, +6 to WIS, +17 to HITROLL, +16 to DAMROLL, +10 to CHA
Dark Phoenix Feather Boots
Location: Senkakusha
Cost: 28 million zenni
Worn: Feet
Stats: +1 to STR, +6 to INT, +6 to WIS, +16 to HITROLL, +17 to DAMROLL
Dark Phoenix Feather Gloves
Location: Vegeta
Cost: 28 million zenni
Worn: Hands
Stats: +1 to STR, +5 to INT, +6 to WIS, +15 to HITROLL, +18 to DAMROLL
Dark Phoenix Feather Sleeves
Location: Moon
Cost: 29 million zenni
Worn: Arms
Stats: +2 to STR, +6 to INT, +6 to WIS, +16 to HITROLL, +17 to DAMROLL
Dark Phoenix Feather Cloak
Location: Earth
Cost: 34 million zenni
Worn: About Body
Stats: +3 to STR, +6 to INT, +6 to WIS, +20 to HITROLL, +23 to DAMROLL, +10 to CHA
Dark Phoenix Feather Belt
Location: Hell
Cost: 27 million zenni
Worn: Waist
Stats: +5 to INT, +5 to WIS, +16 to HITROLL, +17 to DAMROLL
Dark Phoenix Feather Wristband
Location: Arlia
Cost: 26 million zenni
Worn: Wrist
Stats: +5 to INT, +5 to WIS, +15 to HITROLL, +17 to DAMROLL
Hate/Rage/Fear Infused Ring
Location: Blix Drop
Cost: N/A
Worn: Finger
Stats: +1 to STR, +4 to INT, +4 to WIS, +15 to HITROLL, +15 to DAMROLL
Hate/Rage/Fear Infused Amulet
Location: Blix Drop
Cost: N/A
Worn: Neck
Stats: +5 to INT, +5 to WIS, +15 to HITROLL, +14 to DAMROLL
Hate Lance/Rage Maul/Fear Staff
Location: Blix Drop
Cost: N/A
Worn: Weapon
Stats: Average: 86320.0, +1 to STR, +5 to INT, +5 to WIS, +40 to HITROLL, +40 to DAMROLL, +10 to CHA
Chaos Trinity Emblem
Location: Blix Drop
Cost: N/A
Worn: Artifact
Stats: +1 to STR, +2 to INT, +2 to WIS, +9 to HITROLL, +9 to DAMROLL, +5 to CHA
Afterimage Chip
Location: Blix Drop
Cost: N/A
Worn: N/A
Stats: Used on an Android to learn Afterimage. Read more about Upgrade Chips here.