diff --git a/Source/control.cpp b/Source/control.cpp
index abd3a2398..eaf93017e 100644
--- a/Source/control.cpp
+++ b/Source/control.cpp
@@ -860,7 +860,7 @@ void DrawInfoBox(const Surface &out)
 		auto &myPlayer = Players[MyPlayerId];
 		if (myPlayer.HoldItem._itype == ItemType::Gold) {
 			int nGold = myPlayer.HoldItem._ivalue;
-			strcpy(infostr, fmt::format(ngettext("{:d} gold piece", "{:d} gold pieces", nGold), nGold).c_str());
+			CopyUtf8(infostr, fmt::format(ngettext("{:d} gold piece", "{:d} gold pieces", nGold), nGold), sizeof(infostr));
 		} else if (!myPlayer.CanUseItem(myPlayer.HoldItem)) {
 			ClearPanel();
 			AddPanelString(_("Requirements not met"));
diff --git a/Source/inv.cpp b/Source/inv.cpp
index a984bb04a..447451200 100644
--- a/Source/inv.cpp
+++ b/Source/inv.cpp
@@ -29,6 +29,7 @@
 #include "utils/language.h"
 #include "utils/sdl_geometry.h"
 #include "utils/stdcompat/optional.hpp"
+#include "utils/utf8.hpp"
 
 namespace devilution {
 
@@ -1968,7 +1969,7 @@ int8_t CheckInvHLight()
 
 	if (pi->_itype == ItemType::Gold) {
 		int nGold = pi->_ivalue;
-		strcpy(infostr, fmt::format(ngettext("{:d} gold piece", "{:d} gold pieces", nGold), nGold).c_str());
+		CopyUtf8(infostr, fmt::format(ngettext("{:d} gold piece", "{:d} gold pieces", nGold), nGold), sizeof(infostr));
 	} else {
 		InfoColor = pi->getTextColor();
 		if (pi->_iIdentified) {
diff --git a/Source/items.cpp b/Source/items.cpp
index 2e00af4d6..0c247aee5 100644
--- a/Source/items.cpp
+++ b/Source/items.cpp
@@ -3614,7 +3614,7 @@ void GetItemStr(Item &item)
 		InfoColor = item.getTextColor();
 	} else {
 		int nGold = item._ivalue;
-		strcpy(infostr, fmt::format(ngettext("{:d} gold piece", "{:d} gold pieces", nGold), nGold).c_str());
+		CopyUtf8(infostr, fmt::format(ngettext("{:d} gold piece", "{:d} gold pieces", nGold), nGold), sizeof(infostr));
 	}
 }
 
diff --git a/Source/objects.cpp b/Source/objects.cpp
index fcb36942c..c3636a9c2 100644
--- a/Source/objects.cpp
+++ b/Source/objects.cpp
@@ -34,6 +34,7 @@
 #include "track.h"
 #include "utils/language.h"
 #include "utils/log.hpp"
+#include "utils/utf8.hpp"
 
 namespace devilution {
 
@@ -5456,7 +5457,7 @@ void GetObjectStr(const Object &object)
 		break;
 	case OBJ_SHRINEL:
 	case OBJ_SHRINER:
-		strcpy(infostr, fmt::format(_(/* TRANSLATORS: {:s} will be a name from the Shrine block above */ "{:s} Shrine"), _(ShrineNames[object._oVar1])).c_str());
+		CopyUtf8(infostr, fmt::format(_(/* TRANSLATORS: {:s} will be a name from the Shrine block above */ "{:s} Shrine"), _(ShrineNames[object._oVar1])), sizeof(infostr));
 		break;
 	case OBJ_SKELBOOK:
 		strcpy(infostr, _("Skeleton Tome"));
@@ -5524,12 +5525,12 @@ void GetObjectStr(const Object &object)
 	}
 	if (Players[MyPlayerId]._pClass == HeroClass::Rogue) {
 		if (object._oTrapFlag) {
-			strcpy(infostr, fmt::format(_(/* TRANSLATORS: {:s} will either be a chest or a door */ "Trapped {:s}"), infostr).c_str());
+			CopyUtf8(infostr, fmt::format(_(/* TRANSLATORS: {:s} will either be a chest or a door */ "Trapped {:s}"), infostr), sizeof(infostr));
 			InfoColor = UiFlags::ColorRed;
 		}
 	}
 	if (object.IsDisabled()) {
-		strcpy(infostr, fmt::format(_(/* TRANSLATORS: If user enabled diablo.ini setting "Disable Crippling Shrines" is set to 1; also used for Na-Kruls leaver */ "{:s} (disabled)"), infostr).c_str());
+		CopyUtf8(infostr, fmt::format(_(/* TRANSLATORS: If user enabled diablo.ini setting "Disable Crippling Shrines" is set to 1; also used for Na-Kruls leaver */ "{:s} (disabled)"), infostr), sizeof(infostr));
 		InfoColor = UiFlags::ColorRed;
 	}
 }
diff --git a/Source/panels/spell_list.cpp b/Source/panels/spell_list.cpp
index 405b1e7c4..5980f9764 100644
--- a/Source/panels/spell_list.cpp
+++ b/Source/panels/spell_list.cpp
@@ -12,6 +12,7 @@
 #include "player.h"
 #include "spells.h"
 #include "utils/language.h"
+#include "utils/utf8.hpp"
 
 #define SPLROWICONLS 10
 
@@ -159,14 +160,14 @@ void DrawSpellList(const Surface &out)
 		case RSPLTYPE_SKILL:
 			spellColor = PAL16_YELLOW - 46;
 			PrintSBookSpellType(out, spellListItem.location, _("Skill"), spellColor);
-			strcpy(infostr, fmt::format(_("{:s} Skill"), pgettext("spell", spellDataItem.sSkillText)).c_str());
+			CopyUtf8(infostr, fmt::format(_("{:s} Skill"), pgettext("spell", spellDataItem.sSkillText)), sizeof(infostr));
 			break;
 		case RSPLTYPE_SPELL:
 			if (myPlayer.plrlevel != 0) {
 				spellColor = PAL16_BLUE + 5;
 			}
 			PrintSBookSpellType(out, spellListItem.location, _("Spell"), spellColor);
-			strcpy(infostr, fmt::format(_("{:s} Spell"), pgettext("spell", spellDataItem.sNameText)).c_str());
+			CopyUtf8(infostr, fmt::format(_("{:s} Spell"), pgettext("spell", spellDataItem.sNameText)), sizeof(infostr));
 			if (spellId == SPL_HBOLT) {
 				AddPanelString(_("Damages undead only"));
 			}
@@ -180,7 +181,7 @@ void DrawSpellList(const Surface &out)
 				spellColor = PAL16_RED - 59;
 			}
 			PrintSBookSpellType(out, spellListItem.location, _("Scroll"), spellColor);
-			strcpy(infostr, fmt::format(_("Scroll of {:s}"), pgettext("spell", spellDataItem.sNameText)).c_str());
+			CopyUtf8(infostr, fmt::format(_("Scroll of {:s}"), pgettext("spell", spellDataItem.sNameText)), sizeof(infostr));
 			const InventoryAndBeltPlayerItemsRange items { myPlayer };
 			const int scrollCount = std::count_if(items.begin(), items.end(), [spellId](const Item &item) {
 				return item.IsScrollOf(spellId);
@@ -192,7 +193,7 @@ void DrawSpellList(const Surface &out)
 				spellColor = PAL16_ORANGE + 5;
 			}
 			PrintSBookSpellType(out, spellListItem.location, _("Staff"), spellColor);
-			strcpy(infostr, fmt::format(_("Staff of {:s}"), pgettext("spell", spellDataItem.sNameText)).c_str());
+			CopyUtf8(infostr, fmt::format(_("Staff of {:s}"), pgettext("spell", spellDataItem.sNameText)), sizeof(infostr));
 			int charges = myPlayer.InvBody[INVLOC_HAND_LEFT]._iCharges;
 			AddPanelString(fmt::format(ngettext("{:d} Charge", "{:d} Charges", charges), charges));
 		} break;
diff --git a/Source/quests.cpp b/Source/quests.cpp
index f7dd4e641..ae5d2dc9c 100644
--- a/Source/quests.cpp
+++ b/Source/quests.cpp
@@ -25,6 +25,7 @@
 #include "towners.h"
 #include "trigs.h"
 #include "utils/language.h"
+#include "utils/utf8.hpp"
 
 namespace devilution {
 
@@ -447,7 +448,7 @@ bool ForceQuests()
 			int ql = quest._qslvl - 1;
 
 			if (EntranceBoundaryContains(quest.position, cursPosition)) {
-				strcpy(infostr, fmt::format(_(/* TRANSLATORS: Used for Quest Portals. {:s} is a Map Name */ "To {:s}"), _(QuestTriggerNames[ql])).c_str());
+				CopyUtf8(infostr, fmt::format(_(/* TRANSLATORS: Used for Quest Portals. {:s} is a Map Name */ "To {:s}"), _(QuestTriggerNames[ql])), sizeof(infostr));
 				cursPosition = quest.position;
 				return true;
 			}
diff --git a/Source/trigs.cpp b/Source/trigs.cpp
index a0056dd78..a840a6768 100644
--- a/Source/trigs.cpp
+++ b/Source/trigs.cpp
@@ -13,6 +13,7 @@
 #include "error.h"
 #include "init.h"
 #include "utils/language.h"
+#include "utils/utf8.hpp"
 
 namespace devilution {
 
@@ -410,7 +411,7 @@ bool ForceL1Trig()
 		for (int i = 0; L1UpList[i] != -1; i++) {
 			if (dPiece[cursPosition.x][cursPosition.y] == L1UpList[i]) {
 				if (currlevel > 1)
-					strcpy(infostr, fmt::format(_("Up to level {:d}"), currlevel - 1).c_str());
+					CopyUtf8(infostr, fmt::format(_("Up to level {:d}"), currlevel - 1), sizeof(infostr));
 				else
 					strcpy(infostr, _("Up to town"));
 				for (int j = 0; j < numtrigs; j++) {
@@ -423,7 +424,7 @@ bool ForceL1Trig()
 		}
 		for (int i = 0; L1DownList[i] != -1; i++) {
 			if (dPiece[cursPosition.x][cursPosition.y] == L1DownList[i]) {
-				strcpy(infostr, fmt::format(_("Down to level {:d}"), currlevel + 1).c_str());
+				CopyUtf8(infostr, fmt::format(_("Down to level {:d}"), currlevel + 1), sizeof(infostr));
 				for (int j = 0; j < numtrigs; j++) {
 					if (trigs[j]._tmsg == WM_DIABNEXTLVL) {
 						cursPosition = trigs[j].position;
@@ -435,7 +436,7 @@ bool ForceL1Trig()
 	} else {
 		for (int i = 0; L5UpList[i] != -1; i++) {
 			if (dPiece[cursPosition.x][cursPosition.y] == L5UpList[i]) {
-				strcpy(infostr, fmt::format(_("Up to Crypt level {:d}"), currlevel - 21).c_str());
+				CopyUtf8(infostr, fmt::format(_("Up to Crypt level {:d}"), currlevel - 21), sizeof(infostr));
 				for (int j = 0; j < numtrigs; j++) {
 					if (trigs[j]._tmsg == WM_DIABPREVLVL) {
 						cursPosition = trigs[j].position;
@@ -450,7 +451,7 @@ bool ForceL1Trig()
 		}
 		for (int i = 0; L5DownList[i] != -1; i++) {
 			if (dPiece[cursPosition.x][cursPosition.y] == L5DownList[i]) {
-				strcpy(infostr, fmt::format(_("Down to Crypt level {:d}"), currlevel - 19).c_str());
+				CopyUtf8(infostr, fmt::format(_("Down to Crypt level {:d}"), currlevel - 19), sizeof(infostr));
 				for (int j = 0; j < numtrigs; j++) {
 					if (trigs[j]._tmsg == WM_DIABNEXTLVL) {
 						cursPosition = trigs[j].position;
@@ -490,7 +491,7 @@ bool ForceL2Trig()
 					int dx = abs(trigs[j].position.x - cursPosition.x);
 					int dy = abs(trigs[j].position.y - cursPosition.y);
 					if (dx < 4 && dy < 4) {
-						strcpy(infostr, fmt::format(_("Up to level {:d}"), currlevel - 1).c_str());
+						CopyUtf8(infostr, fmt::format(_("Up to level {:d}"), currlevel - 1), sizeof(infostr));
 						cursPosition = trigs[j].position;
 						return true;
 					}
@@ -501,7 +502,7 @@ bool ForceL2Trig()
 
 	for (int i = 0; L2DownList[i] != -1; i++) {
 		if (dPiece[cursPosition.x][cursPosition.y] == L2DownList[i]) {
-			strcpy(infostr, fmt::format(_("Down to level {:d}"), currlevel + 1).c_str());
+			CopyUtf8(infostr, fmt::format(_("Down to level {:d}"), currlevel + 1), sizeof(infostr));
 			for (int j = 0; j < numtrigs; j++) {
 				if (trigs[j]._tmsg == WM_DIABNEXTLVL) {
 					cursPosition = trigs[j].position;
@@ -537,7 +538,7 @@ bool ForceL3Trig()
 	if (currlevel < 17) {
 		for (int i = 0; L3UpList[i] != -1; ++i) {
 			if (dPiece[cursPosition.x][cursPosition.y] == L3UpList[i]) {
-				strcpy(infostr, fmt::format(_("Up to level {:d}"), currlevel - 1).c_str());
+				CopyUtf8(infostr, fmt::format(_("Up to level {:d}"), currlevel - 1), sizeof(infostr));
 				for (int j = 0; j < numtrigs; j++) {
 					if (trigs[j]._tmsg == WM_DIABPREVLVL) {
 						int dx = abs(trigs[j].position.x - cursPosition.x);
@@ -554,7 +555,7 @@ bool ForceL3Trig()
 			if (dPiece[cursPosition.x][cursPosition.y] == L3DownList[i]
 			    || dPiece[cursPosition.x + 1][cursPosition.y] == L3DownList[i]
 			    || dPiece[cursPosition.x + 2][cursPosition.y] == L3DownList[i]) {
-				strcpy(infostr, fmt::format(_("Down to level {:d}"), currlevel + 1).c_str());
+				CopyUtf8(infostr, fmt::format(_("Down to level {:d}"), currlevel + 1), sizeof(infostr));
 				for (int j = 0; j < numtrigs; j++) {
 					if (trigs[j]._tmsg == WM_DIABNEXTLVL) {
 						cursPosition = trigs[j].position;
@@ -566,7 +567,7 @@ bool ForceL3Trig()
 	} else {
 		for (int i = 0; L6UpList[i] != -1; ++i) {
 			if (dPiece[cursPosition.x][cursPosition.y] == L6UpList[i]) {
-				strcpy(infostr, fmt::format(_("Up to Nest level {:d}"), currlevel - 17).c_str());
+				CopyUtf8(infostr, fmt::format(_("Up to Nest level {:d}"), currlevel - 17), sizeof(infostr));
 				for (int j = 0; j < numtrigs; j++) {
 					if (trigs[j]._tmsg == WM_DIABPREVLVL) {
 						cursPosition = trigs[j].position;
@@ -579,7 +580,7 @@ bool ForceL3Trig()
 			if (dPiece[cursPosition.x][cursPosition.y] == L6DownList[i]
 			    || dPiece[cursPosition.x + 1][cursPosition.y] == L6DownList[i]
 			    || dPiece[cursPosition.x + 2][cursPosition.y] == L6DownList[i]) {
-				strcpy(infostr, fmt::format(_("Down to level {:d}"), currlevel - 15).c_str());
+				CopyUtf8(infostr, fmt::format(_("Down to level {:d}"), currlevel - 15), sizeof(infostr));
 				for (int j = 0; j < numtrigs; j++) {
 					if (trigs[j]._tmsg == WM_DIABNEXTLVL) {
 						cursPosition = trigs[j].position;
@@ -632,7 +633,7 @@ bool ForceL4Trig()
 {
 	for (int i = 0; L4UpList[i] != -1; ++i) {
 		if (dPiece[cursPosition.x][cursPosition.y] == L4UpList[i]) {
-			strcpy(infostr, fmt::format(_("Up to level {:d}"), currlevel - 1).c_str());
+			CopyUtf8(infostr, fmt::format(_("Up to level {:d}"), currlevel - 1), sizeof(infostr));
 			for (int j = 0; j < numtrigs; j++) {
 				if (trigs[j]._tmsg == WM_DIABPREVLVL) {
 					cursPosition = trigs[j].position;
@@ -644,7 +645,7 @@ bool ForceL4Trig()
 
 	for (int i = 0; L4DownList[i] != -1; i++) {
 		if (dPiece[cursPosition.x][cursPosition.y] == L4DownList[i]) {
-			strcpy(infostr, fmt::format(_("Down to level {:d}"), currlevel + 1).c_str());
+			CopyUtf8(infostr, fmt::format(_("Down to level {:d}"), currlevel + 1), sizeof(infostr));
 			for (int j = 0; j < numtrigs; j++) {
 				if (trigs[j]._tmsg == WM_DIABNEXTLVL) {
 					cursPosition = trigs[j].position;
@@ -708,7 +709,7 @@ bool ForceSKingTrig()
 {
 	for (int i = 0; L1UpList[i] != -1; i++) {
 		if (dPiece[cursPosition.x][cursPosition.y] == L1UpList[i]) {
-			strcpy(infostr, fmt::format(_("Back to Level {:d}"), Quests[Q_SKELKING]._qlevel).c_str());
+			CopyUtf8(infostr, fmt::format(_("Back to Level {:d}"), Quests[Q_SKELKING]._qlevel), sizeof(infostr));
 			cursPosition = trigs[0].position;
 
 			return true;
@@ -722,7 +723,7 @@ bool ForceSChambTrig()
 {
 	for (int i = 0; L2DownList[i] != -1; i++) {
 		if (dPiece[cursPosition.x][cursPosition.y] == L2DownList[i]) {
-			strcpy(infostr, fmt::format(_("Back to Level {:d}"), Quests[Q_SCHAMB]._qlevel).c_str());
+			CopyUtf8(infostr, fmt::format(_("Back to Level {:d}"), Quests[Q_SCHAMB]._qlevel), sizeof(infostr));
 			cursPosition = trigs[0].position;
 
 			return true;
@@ -736,7 +737,7 @@ bool ForcePWaterTrig()
 {
 	for (int i = 0; L3DownList[i] != -1; i++) {
 		if (dPiece[cursPosition.x][cursPosition.y] == L3DownList[i]) {
-			strcpy(infostr, fmt::format(_("Back to Level {:d}"), Quests[Q_PWATER]._qlevel).c_str());
+			CopyUtf8(infostr, fmt::format(_("Back to Level {:d}"), Quests[Q_PWATER]._qlevel), sizeof(infostr));
 			cursPosition = trigs[0].position;
 
 			return true;