Magical XA * YA

No Parameters - Returns Nothing

Modify Ability XA (Magic Attack Up and Compatibility)
Set HP damage = XA*YA

Note : Friendly spell routine (no Magic Def Up checks, no effects of negative status on XA)
------------------------------------------------------------------------------------------
00188858: 27bdffe8 addiu r29,r29,-0x0018    |
0018885c: afbf0010 sw r31,0x0010(r29)       |
00188860: 0c061881 jal 0x00186204           |-->Magic_Attack_Up_routine Ability XA +33% If Attacker uses Magic Attack Up
00188864: 00000000 nop                      |
00188868: 0c061259 jal 0x00184964           |-->Compatibility Alters XA (-50% to +50%) based on compatibility
0018886c: 00000000 nop                      |
00188870: 0c06195a jal 0x00186568           |-->XA * YA Calculation Multiply Ability XA and YA and store the result as HP damage
00188874: 00000000 nop                      |
00188878: 8fbf0010 lw r31,0x0010(r29)       
0018887c: 27bd0018 addiu r29,r29,0x0018     
00188880: 03e00008 jr r31                   
00188884: 00000000 nop                      

Return locations

Battle.bin
00188f18: Formula 0c : Heal F(MA*Y)
0018a3b8: Formula 4c : Heal (MA*Y)
0018a680: Formula 54 : HealMP (MA*Y)