https://rathena.svn.sourceforge.net/svnroot/rathena/trunk/db/re/item_db.txt
//ASPD in RE they give a fixed +4/+6/+9 ASPD
645,Center_Potion,Concentration Potion,2,800,,100,,,,,0xFFFFFFFF,7,2,,,,,,{ sc_start SC_ASPDPOTION0,1800000,4; },{},{}
656,Awakening_Potion,Awakening Potion,2,1500,,150,,,,,0xFFF7FEEF,7,2,,,40,,,{ sc_start SC_ASPDPOTION1,1800000,6; },{},{}
657,Berserk_Potion,Berserk Potion,2,3000,,200,,,,,0x01E646A6,7,2,,,85,,,{ sc_start SC_ASPDPOTION2,1800000,9; },{},{}
https://rathena.svn.sourceforge.net/svnroot/rathena/trunk/db/const.txt
SC_ASPDPOTION0 55
SC_ASPDPOTION1 56
SC_ASPDPOTION2 57
SC_ASPDPOTION3 58