Requirements: Complete Main Story and defeated the final Boss. Have $234.
- Go to Fish Market in Uptown Springdale and purchase 73 Mackerels.
- Take the Mackerels Jungle Hunter and trade them in for 1314 JP.
- Purchase the Mem-o-Vac from Jungle Hunter for 1300 JP.
- Go to Shoten Temple in Blossom Heights.
- Fuse Flushback with Mem-o-Vac to obtain Vacuumory.
- Go to Old Springdale.
- Right outside the station, you will find a Baffle Board.
- Summon Vacuumory to re-battle the final boss Dame Dedtimeto.
- Defeat the final boss and you'll gain about 5000 EXP.