Here are different offsets from some sources release here or in other forums, all are to fix manashield, try them and see what is the one that works for you.
Code:
kGames Team
#define GS_MSAGILITY 0x004DB03E
#define GS_MSENERGY 0x004DB05E
#define GS_MSDIVIDER 0x004DB067
#define GS_ML_MSAGILITY 0x004FAA9B
#define GS_ML_MSENERGY 0x004FAABB
#define GS_ML_MSDIVIDER 0x004FAAC4
Apple src
#define NormalManaShieldAgi01 ( 0x004DB03D+1 ) // MOV ECX,32
#define NormalManaShieldEne02 ( 0x004DB05D+1 ) // MOV ESI,0C8
#define MasterManaShieldAgi01 ( 0x004FAA9A+1 ) // MOV ECX,32
#define MasterManaShieldEne02 ( 0x004FAABA+1 ) // MOV ESI,0C8
#define NormalManaShieldTime1 ( 0x004DB082+1 ) // MOV ECX,28 // 40
#define MasterManaShieldTime2 ( 0x004FAB15+1 ) // MOV ECX,28 // 40
RMST Source 7.01.xx last src
#define GS_MSNORMAL01 (0x004DB03D+1) //Agi
#define GS_MSNORMAL02 (0x004DB05D+1) //Ene
#define GS_MSMASTER01 (0x004FAA9A+1) //Agi
#define GS_MSMASTER02 (0x004FAABA+1) //Ene
#define NormalManaShieldTime1 ( 0x004DB082+1 ) // MOV ECX,28 // 40
#define MasterManaShieldTime2 ( 0x004FAB15+1 ) // MOV ECX,28 // 40
Kimdu src
#define GS_MANAAGI (0x004DB03D+1)
#define GS_MANAENE (0x004DB05D+1)
#define GS_MANAMAXTRY0 (0x004DB0CD+2)
#define GS_MANAMAXTRY1 (0x004DB0D2+1)
#define GS_MSKILL_MANAAGI (0x004FAA9A+1)
#define GS_MSKILL_MANAENE (0x004FAABA+1)
#define GS_MSKILL_MANAMAXTRY0 (0x004FAB68+2)
#define GS_MSKILL_MANAMAXTRY1 (0x004FAB6D+1)
Lost Project src
#define MANA_SHIELD_AGI (0x004DB03D+1)
#define MANA_SHIELD_ENERGY (0x004DB05D+1)
#define MANA_SHIELD_DIVIDER (0x004DB082+1)
#define MANA_SHIELD_TIME_AGI (0x004FAA9A+1)
#define MANA_SHIELD_TIME_ENERGY (0x004FAABA+1)
MC Team
#define MSAGI (0x004FAA9A+1)
#define MSENE (0x004FAABA+1)
#define MSDIV (0x004FAB15+1)
CzF src
#define GS_MSNORMAL01 (0x004DB03D+1)
#define GS_MSNORMAL02 (0x004DB05D+1)
#define GS_MSMASTER01 (0x004FAA9A+1)
#define GS_MSMASTER02 (0x004FAABA+1)
GameServer 1.00.87 Mana Shield offset
