i give my credit to those who posted this hack earlier
i jsut made it more clearly
here's the complete TUT
1. go to practice use ronan
2. first scan 16256 | exact value | 4bytes
3. use ronan HOLY BLESS
4. next scan 16281 | exact value | 4bytes
5. repeat 2-4 steps until you get the address
6. go to trial forest [any star] clear it
7. then after you finish the dungeon freeze the address you got earlier = 20000