The dynamic mobs system will no longer de-spawn mvps (because it's annoying as hell).

git-svn-id: https://svn.code.sf.net/p/rathena/svn/trunk@13662 54d463be-8e91-2dee-dedb-b68131a5f0ec

src/map/map.c

@@ -2056,6 +2056,9 @@ int map_removemobs_sub(struct block_list *bl, va_list ap)
 	// is damaged and mob_remove_damaged is off
 	if( !battle_config.mob_remove_damaged && md->status.hp < md->status.max_hp )
 		return 0;
+	// is a mvp
+	if( md->db->mexp > 0 )
+		return 0;
 	
 	unit_free(&md->bl,0);