Minor tweak on Exp system + Diet's Cygnus quest line

Changed minimum level required to gain EXP of mob from -5 to -20 the mob level (players below that level sees a red-colored font when displaying higher-leveled mob HPbar). Thanks to DietStory dev team, fixed some quests for KoC.

scripts/npc/MaybeItsGrendel_end.js

@@ -0,0 +1,28 @@
+var status;
+
+function start(){
+	status = -1;
+	action(1, 0, 0);
+}
+
+function action(mode, type, selection){
+	if(mode == -1 || (mode == 0 && status == 0)){
+		cm.dispose();
+		return;
+	}
+	else if(mode == 0)
+		status--;
+	else
+		status++;
+
+
+	if(status == 0){
+		cm.sendNext("...a black shadowy figure came out and attacked you? How can this take place at #b#p1032001##k's house? This sounds like one big conspiracy here...");
+	}
+	else if(status == 1){
+		cm.sendNextPrev("I'll have to sort this all out in my mind. Talk to me in a bit.");
+	}
+	else if(status == 2){
+		cm.dispose();
+	}
+}