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char_battle.cpp
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    if (!cannot_dead)     {         PointChange(POINT_HP, -dam, false);     } Change:
    if (!cannot_dead)     {         if (GetHP() - dam <= 0)             dam = GetHP();         PointChange(POINT_HP, -dam, false);     } Borrowed from MARTY's source.

char_battle.cpp
Search:
    if (!cannot_dead)     {         PointChange(POINT_HP, -dam, false);     } Change:
    if (!cannot_dead)     {         if (GetHP() - dam <= 0)             dam = GetHP();         PointChange(POINT_HP, -dam, false);     } Borrowed from MARTY's source.

I was a little confused yesterday, it seems.
PythonMinimap.cpp
 
Search this:
else if (pkInstEach->IsNPC() Change to:
else if (pkInstEach->IsNPC() && !pkInstEach->IsInvisibility()) And then add this to this function:
if (pkInstEach->IsPet() || pkInstEach->IsMount()) continue; Like this:

Its done. Now open InstanceBase.cpp
 
Search this function:
void CInstanceBase::GetBoundBox(D3DXVECTOR3 * vtMin, D3DXVECTOR3 * vtMax) After this function add this:
BOOL CInstanceBase::IsPet() {     if (GetRace() >= 34001 && GetRace() <= 34021)         return true;     return false; } BOOL CInstanceBase::IsMount() {     if (GetRace() >= 20101 && GetRace() <= 20109)         return true;     return false; }  
Here you can change how long they are hidden, by ID.
 
Now open: InstanceBase.h
 
Search this:
void                    SetDuelMode(DWORD type); Add after:
        BOOL IsPet();         BOOL IsMount();