Follow-up https://github.com/rathena/rathena/commit/6c0da909d877def5b8c6b10221f2f619897a0c2a

- Added missing checkweight and delitem

Thanks to @Balferian !

npc/re/merchants/moro_cav_exchange.txt

@@ -8,6 +8,14 @@
 
 moro_cav,32,73,5	script	Hero Token Exchanger#1	4_F_SHADOWCHASER,{
 	disable_items;
+	if (checkweight(1201,1) == 0) {// custom
+		mes "The kind of items you have is too various. Retry after reducing the sort of items.";
+		close;
+	}
+	if ((MaxWeight - Weight) < 10000) {
+		mes "You are overburdened, so you cannot proceed it anymore. Please try again after reduce the weight.";
+		close;
+	}
 	mes "[Hero Token Exchanger]";
 	mes "If you fought Morroc";
 	mes "and collected";
@@ -269,6 +277,7 @@ moro_cav,34,65,5	script	Expert Enchanter Byrnes	1_M_03,{
 		specialeffect2 EF_ANGEL2;
 		mes "[Byrnes]";
 		mes "Initialization completed.";
+		delitem 6684,3;
 		delequip .@eqi_slot[.@s];
 		getitem 2981,1;
 		close;