diff --git a/db/const.txt b/db/const.txt
index 5c8d156e94..1537dc83f6 100644
--- a/db/const.txt
+++ b/db/const.txt
@@ -1797,7 +1797,7 @@ SC_MTF_MSP	604
 SC_MTF_PUMPKIN	605
 SC_MTF_HITFLEE	606
 SC_CRIFOOD	607
-SC_HASTEATTACK_CASH	608
+SC_ATTHASTE_CASH	608
 SC_REUSE_LIMIT_A	609
 SC_REUSE_LIMIT_B	610
 SC_REUSE_LIMIT_C	611
diff --git a/src/map/pc.c b/src/map/pc.c
index 9d2db29452..81b18441ee 100755
--- a/src/map/pc.c
+++ b/src/map/pc.c
@@ -1376,9 +1376,10 @@ void pc_reg_received(struct map_session_data *sd)
 	}
 
 	if ((i = pc_checkskill(sd,RG_PLAGIARISM)) > 0) {
-		sd->cloneskill_idx = skill_get_index(pc_readglobalreg(sd, add_str(SKILL_VAR_PLAGIARISM)));
+		unsigned short skid = pc_readglobalreg(sd, add_str(SKILL_VAR_PLAGIARISM));
+		sd->cloneskill_idx = skill_get_index(skid);
 		if (sd->cloneskill_idx > 0) {
-			sd->status.skill[sd->cloneskill_idx].id = pc_readglobalreg(sd, add_str(SKILL_VAR_PLAGIARISM));
+			sd->status.skill[sd->cloneskill_idx].id = skid;
 			sd->status.skill[sd->cloneskill_idx].lv = pc_readglobalreg(sd, add_str(SKILL_VAR_PLAGIARISM_LV));
 			if (sd->status.skill[sd->cloneskill_idx].lv > i)
 				sd->status.skill[sd->cloneskill_idx].lv = i;
@@ -1386,9 +1387,10 @@ void pc_reg_received(struct map_session_data *sd)
 		}
 	}
 	if ((i = pc_checkskill(sd,SC_REPRODUCE)) > 0) {
-		sd->reproduceskill_idx = skill_get_index(pc_readglobalreg(sd, add_str(SKILL_VAR_REPRODUCE)));
+		unsigned short skid = pc_readglobalreg(sd, add_str(SKILL_VAR_REPRODUCE));
+		sd->reproduceskill_idx = skill_get_index(skid);
 		if (sd->reproduceskill_idx > 0) {
-			sd->status.skill[sd->reproduceskill_idx].id = pc_readglobalreg(sd, add_str(SKILL_VAR_REPRODUCE));
+			sd->status.skill[sd->reproduceskill_idx].id = skid;
 			sd->status.skill[sd->reproduceskill_idx].lv = pc_readglobalreg(sd, add_str(SKILL_VAR_REPRODUCE_LV));
 			if (i < sd->status.skill[sd->reproduceskill_idx].lv)
 				sd->status.skill[sd->reproduceskill_idx].lv = i;
@@ -7057,6 +7059,8 @@ int pc_skillatk_bonus(struct map_session_data *sd, uint16 skill_id)
 	int i, bonus = 0;
 	nullpo_ret(sd);
 
+	skill_id = skill_dummy2skill_id(skill_id);
+
 	ARR_FIND(0, ARRAYLENGTH(sd->skillatk), i, sd->skillatk[i].id == skill_id);
 	if( i < ARRAYLENGTH(sd->skillatk) )
 		bonus = sd->skillatk[i].val;
@@ -7069,6 +7073,8 @@ int pc_sub_skillatk_bonus(struct map_session_data *sd, uint16 skill_id)
 	int i, bonus = 0;
 	nullpo_ret(sd);
 
+	skill_id = skill_dummy2skill_id(skill_id);
+
 	ARR_FIND(0, ARRAYLENGTH(sd->subskill), i, sd->subskill[i].id == skill_id);
 	if( i < ARRAYLENGTH(sd->subskill) )
 		bonus = sd->subskill[i].val;
@@ -7079,6 +7085,8 @@ int pc_sub_skillatk_bonus(struct map_session_data *sd, uint16 skill_id)
 int pc_skillheal_bonus(struct map_session_data *sd, uint16 skill_id) {
 	int i, bonus = sd->bonus.add_heal_rate;
 
+	skill_id = skill_dummy2skill_id(skill_id);
+
 	if( bonus ) {
 		switch( skill_id ) {
 			case AL_HEAL:           if( !(battle_config.skill_add_heal_rate&1) ) bonus = 0; break;
@@ -7100,6 +7108,8 @@ int pc_skillheal_bonus(struct map_session_data *sd, uint16 skill_id) {
 int pc_skillheal2_bonus(struct map_session_data *sd, uint16 skill_id) {
 	int i, bonus = sd->bonus.add_heal2_rate;
 
+	skill_id = skill_dummy2skill_id(skill_id);
+
 	ARR_FIND(0, ARRAYLENGTH(sd->skillheal2), i, sd->skillheal2[i].id == skill_id);
 
 	if( i < ARRAYLENGTH(sd->skillheal2) )
diff --git a/src/map/skill.c b/src/map/skill.c
index 5d350afa5d..169238895e 100755
--- a/src/map/skill.c
+++ b/src/map/skill.c
@@ -377,6 +377,58 @@ int skill_get_range2 (struct block_list *bl, uint16 skill_id, uint16 skill_lv) {
 	return range;
 }
 
+/** Copy Referral: dummy skills should point to their source.
+ * @param skill_id Dummy skill ID
+ * @return Real skill id if found
+ **/
+unsigned short skill_dummy2skill_id(unsigned short skill_id) {
+	switch (skill_id) {
+		case AB_DUPLELIGHT_MELEE:
+		case AB_DUPLELIGHT_MAGIC:
+			return AB_DUPLELIGHT;
+		case WL_CHAINLIGHTNING_ATK:
+			return WL_CHAINLIGHTNING;
+		case WL_TETRAVORTEX_FIRE:
+		case WL_TETRAVORTEX_WATER:
+		case WL_TETRAVORTEX_WIND:
+		case WL_TETRAVORTEX_GROUND:
+			return WL_TETRAVORTEX;
+		case WL_SUMMON_ATK_FIRE:
+			return WL_SUMMONFB;
+		case WL_SUMMON_ATK_WIND:
+			return WL_SUMMONBL;
+		case WL_SUMMON_ATK_WATER:
+			return WL_SUMMONWB;
+		case WL_SUMMON_ATK_GROUND:
+			return WL_SUMMONSTONE;
+		case LG_OVERBRAND_BRANDISH:
+		case LG_OVERBRAND_PLUSATK:
+			return LG_OVERBRAND;
+		case WM_REVERBERATION_MELEE:
+		case WM_REVERBERATION_MAGIC:
+			return WM_REVERBERATION;
+		case WM_SEVERE_RAINSTORM_MELEE:
+			return WM_SEVERE_RAINSTORM;
+		case GN_CRAZYWEED_ATK:
+			return GN_CRAZYWEED;
+		case GN_HELLS_PLANT_ATK:
+			return GN_HELLS_PLANT;
+		case GN_SLINGITEM_RANGEMELEEATK:
+			return GN_SLINGITEM;
+		case SR_FLASHCOMBO_ATK_STEP1:
+			return SR_DRAGONCOMBO;
+		case SR_FLASHCOMBO_ATK_STEP2:
+			return SR_FALLENEMPIRE;
+		case SR_FLASHCOMBO_ATK_STEP3:
+			return SR_TIGERCANNON;
+		case SR_FLASHCOMBO_ATK_STEP4:
+			return SR_SKYNETBLOW;
+		case RL_R_TRIP_PLUSATK:
+			return RL_R_TRIP;
+	}
+	return skill_id;
+}
+
 /**
  * Calculates heal value of skill's effect
  * @param src
@@ -2709,54 +2761,7 @@ static void skill_do_copy(struct block_list* src,struct block_list *bl, uint16 s
 		uint16 idx;
 		unsigned char lv;
 
-		// Copy Referal: dummy skills should point to their source upon copying
-		switch (skill_id) {
-			case AB_DUPLELIGHT_MELEE:
-			case AB_DUPLELIGHT_MAGIC:
-				skill_id = AB_DUPLELIGHT;
-				break;
-			case WL_CHAINLIGHTNING_ATK:
-				skill_id = WL_CHAINLIGHTNING;
-				break;
-			case WL_TETRAVORTEX_FIRE:
-			case WL_TETRAVORTEX_WATER:
-			case WL_TETRAVORTEX_WIND:
-			case WL_TETRAVORTEX_GROUND:
-				skill_id = WL_TETRAVORTEX;
-				break;
-			case WL_SUMMON_ATK_FIRE:
-				skill_id = WL_SUMMONFB;
-				break;
-			case WL_SUMMON_ATK_WIND:
-				skill_id = WL_SUMMONBL;
-				break;
-			case WL_SUMMON_ATK_WATER:
-				skill_id = WL_SUMMONWB;
-				break;
-			case WL_SUMMON_ATK_GROUND:
-				skill_id = WL_SUMMONSTONE;
-				break;
-			case LG_OVERBRAND_BRANDISH:
-			case LG_OVERBRAND_PLUSATK:
-				skill_id = LG_OVERBRAND;
-				break;
-			case WM_REVERBERATION_MELEE:
-			case WM_REVERBERATION_MAGIC:
-				skill_id = WM_REVERBERATION;
-				break;
-			case WM_SEVERE_RAINSTORM_MELEE:
-				skill_id = WM_SEVERE_RAINSTORM;
-				break;
-			case GN_CRAZYWEED_ATK:
-				skill_id = GN_CRAZYWEED;
-				break;
-			case GN_HELLS_PLANT_ATK:
-				skill_id = GN_HELLS_PLANT;
-				break;
-			case GN_SLINGITEM_RANGEMELEEATK:
-				skill_id = GN_SLINGITEM;
-				break;
-		}
+		skill_id = skill_dummy2skill_id(skill_id);
 
 		//Use skill index, avoiding out-of-bound array [Cydh]
 		if (!(idx = skill_get_index(skill_id)))
@@ -6753,7 +6758,7 @@ int skill_castend_nodamage_id (struct block_list *src, struct block_list *bl, ui
 	case SL_KAUPE:
 		if (sd) {
 			if (!dstsd || !(
-				(sd->sc.data[SC_SPIRIT] && sd->sc.data[SC_SPIRIT]->val2 == SL_SOULLINKER) ||
+				(&sd->sc && sd->sc.data[SC_SPIRIT] && sd->sc.data[SC_SPIRIT]->val2 == SL_SOULLINKER) ||
 				(dstsd->class_&MAPID_UPPERMASK) == MAPID_SOUL_LINKER ||
 				dstsd->status.char_id == sd->status.char_id ||
 				dstsd->status.char_id == sd->status.partner_id ||
@@ -6901,10 +6906,10 @@ int skill_castend_nodamage_id (struct block_list *src, struct block_list *bl, ui
 			if(status_isimmune(bl) || !tsc)
 				break;
 
-			if (sd && sd->sc.data[SC_PETROLOGY_OPTION])
+			if (sd && &sd->sc && sd->sc.data[SC_PETROLOGY_OPTION])
 				brate = sd->sc.data[SC_PETROLOGY_OPTION]->val3;
 
-			if (tsc->data[SC_STONE]) {
+			if (tsc && tsc->data[SC_STONE]) {
 				status_change_end(bl, SC_STONE, INVALID_TIMER);
 				if (sd) clif_skill_fail(sd,skill_id,USESKILL_FAIL_LEVEL,0);
 				break;
diff --git a/src/map/skill.h b/src/map/skill.h
index 4298f1f1be..8a49da775a 100644
--- a/src/map/skill.h
+++ b/src/map/skill.h
@@ -404,6 +404,7 @@ int skill_get_status_count( uint16 skill_id );
 int skill_get_spiritball( uint16 skill_id, uint16 skill_lv );
 int skill_get_itemid( uint16 skill_id, int idx );
 int skill_get_itemqty( uint16 skill_id, int idx );
+unsigned short skill_dummy2skill_id(unsigned short skill_id);
 
 int skill_name2id(const char* name);
 uint16 skill_idx2id(uint16 idx);