20 Dmg (MA*Y)

001895c4: 27bdffe8 addiu r29,r29,-0x0018    |
001895c8: afbf0010 sw r31,0x0010(r29)       |
001895cc: 0c061e44 jal 0x00187910           |-->Katana Break Chance  Roll Break chances (Wepon Power%), update Attacker current action special flags
001895d0: 00000000 nop                      |
001895d4: 0c061725 jal 0x00185c94           |-->Store MA and Y XA = Attacker's MA and YA = used Ability Y
001895d8: 00000000 nop                      |
001895dc: 0c062259 jal 0x00188964           |-->Truth/Formula 5E-5F Magical damage Modify XA (Element/Support…) set HP damage (XA*YA) process it through elemental resistances, Roll +/- Add status
001895e0: 00000000 nop                      |
001895e4: 8fbf0010 lw r31,0x0010(r29)       
001895e8: 27bd0018 addiu r29,r29,0x0018     
001895ec: 03e00008 jr r31                   
001895f0: 00000000 nop                      

Return location

Battle.bin
0018b97c - Pre Formula Setup