diff --git a/src/common/gamecode/report.c b/src/common/gamecode/report.c
index f0d65b95a..9a69cd27d 100644
--- a/src/common/gamecode/report.c
+++ b/src/common/gamecode/report.c
@@ -3183,6 +3183,8 @@ make_summary(boolean count_new)
 
 					s->artefakte += get_item(u, I_AMULET_OF_TRUE_SEEING);
 					s->artefakte += get_item(u, I_RING_OF_INVISIBILITY);
+					s->artefakte += get_item(u, I_SPHERE_OF_INVISIBILITY);
+					s->artefakte += get_item(u, I_SACK_OF_CONSERVATION);
 					s->artefakte += get_item(u, I_RING_OF_POWER);
 					s->artefakte += get_item(u, I_RUNESWORD);
 
diff --git a/src/common/gamecode/spy.c b/src/common/gamecode/spy.c
index 1682f5259..2b179ca74 100644
--- a/src/common/gamecode/spy.c
+++ b/src/common/gamecode/spy.c
@@ -91,7 +91,7 @@ spy(region * r, unit * u)
 	 * Wahrnehmung als das Ziel Tarnung + Spionage/2 hat */
 	observe = eff_skill(target, SK_OBSERVATION, r)
 				- (effskill(u, SK_STEALTH) + eff_skill(u, SK_SPY, r)/2);
-	if (get_item(u, I_RING_OF_INVISIBILITY) >= u->number &&
+	if (invisible(u) >= u->number &&
 		get_item(target, I_AMULET_OF_TRUE_SEEING) == 0) {
 		observe = min(observe, 0);
 	}
diff --git a/src/common/kernel/build.c b/src/common/kernel/build.c
index 61a56a336..3ec8553b3 100644
--- a/src/common/kernel/build.c
+++ b/src/common/kernel/build.c
@@ -90,8 +90,7 @@ slipthru(const region * r, const unit * u, const building * b)
 
 	for (u2 = r->units; u2; u2 = u2->next)
 		if (usiege(u2) == b) {
-			if (get_item(u, I_RING_OF_INVISIBILITY) &&
-				get_item(u, I_RING_OF_INVISIBILITY) >= u->number &&
+			if (invisible(u) >= u->number &&
 				!get_item(u2, I_AMULET_OF_TRUE_SEEING))
 				continue;
 
diff --git a/src/common/kernel/eressea.c b/src/common/kernel/eressea.c
index 49e682874..f9e26a9c6 100644
--- a/src/common/kernel/eressea.c
+++ b/src/common/kernel/eressea.c
@@ -833,7 +833,7 @@ cansee(const faction * f, const region * r, const unit * u, int modifier)
 				cansee = true;
 				break;
 			}
-			if (get_item(u, I_RING_OF_INVISIBILITY) >= u->number
+			if (invisible(u) >= u->number
 				&& !get_item(u2, I_AMULET_OF_TRUE_SEEING))
 				continue;
 
@@ -883,7 +883,7 @@ cansee(faction * f, region * r, unit * u, int modifier)
 	else {
 		boolean xcheck = false;
 		int o = INT_MIN;
-		ring = (boolean)(ring || (get_item(u, I_RING_OF_INVISIBILITY) >= u->number));
+		ring = (boolean)(ring || (invisible(u) >= u->number));
 		n = n || eff_stealth(u, r) - modifier;
 		for (u2 = r->units; u2; u2 = u2->next) {
 			if (u2->faction == f) {
@@ -939,7 +939,7 @@ cansee_durchgezogen(const faction * f, const region * r, const unit * u, int mod
 					cansee = true;
 					break;
 				}
-				if (get_item(u, I_RING_OF_INVISIBILITY) >= u->number
+				if (invisible(u) >= u->number
 						&& !get_item(u2, I_AMULET_OF_TRUE_SEEING))
 					continue;
 
diff --git a/src/common/kernel/item.h b/src/common/kernel/item.h
index 28fc896af..af68cb6ec 100644
--- a/src/common/kernel/item.h
+++ b/src/common/kernel/item.h
@@ -371,6 +371,7 @@ enum {
 	I_RUSTY_SHIELD,
 	I_RUSTY_CHAIN_MAIL,
 	I_SACK_OF_CONSERVATION,
+	I_SPHERE_OF_INVISIBILITY,
 	MAX_ITEMS /* do not use outside item.c ! */
 };
 
diff --git a/src/common/kernel/spell.c b/src/common/kernel/spell.c
index 6ad8b0aba..d33dff001 100644
--- a/src/common/kernel/spell.c
+++ b/src/common/kernel/spell.c
@@ -7225,6 +7225,26 @@ sp_createitem_invisibility(castorder *co)
 
 	return cast_level;
 }
+
+/* ------------------------------------------------------------- */
+/* Sphäre der Unsichtbarkeit */
+int
+sp_createitem_invisibility2(castorder *co)
+{
+	unit *mage = (unit *)co->magician;
+	int cast_level = co->level;
+	unit *familiar = (unit *)co->familiar;
+
+	if (familiar){
+		mage = familiar;
+	}
+
+	change_item(mage,I_SPHERE_OF_INVISIBILITY,1);
+	creation_message(mage, I_SPHERE_OF_INVISIBILITY);
+
+	return cast_level;
+}
+
 /* ------------------------------------------------------------- */
 /* Keuschheitsgürtel der Orks */
 int
@@ -9112,6 +9132,22 @@ spell spelldaten[] =
 			{0, 0, 0}},
 		(spell_f)sp_sweetdreams, patzer
 	},
+	
+	{SPL_INVISIBILITY2_ILLAUN, "Erschaffe eine Sphäre der Unsichtbarkeit",
+		"Mit diesem Spruch kann der Zauberer eine Sphäre der Unsichtbarkeit "
+		"erschaffen. Die Späre macht ihren Träger sowie einhundert weitere "
+		"Personen in derselben Einheit unsichtbar.",
+		NULL,
+		NULL,
+		M_TRAUM, (ONSHIPCAST), 5, 13,
+		{
+			{R_AURA, 150, SPC_FIX},
+			{R_SILVER, 30000, SPC_FIX},
+			{R_PERMAURA, 3, SPC_FIX},
+			{0, 0, 0},
+			{0, 0, 0}},
+		(spell_f)sp_createitem_invisibility2, patzer_createitem
+	},
 
 	{SPL_CREATE_TACTICCRYSTAL, "Erschaffe ein Traumauge",
 		"Ein mit diesem Zauber belegtes Drachenauge, welches zum Abendmahle "
diff --git a/src/common/kernel/spell.h b/src/common/kernel/spell.h
index 16dac45a7..ae9ee86bd 100644
--- a/src/common/kernel/spell.h
+++ b/src/common/kernel/spell.h
@@ -203,6 +203,7 @@ enum {
 	SPL_AURA_OF_FEAR,	/* 175? */
 	SPL_SHADOWCALL,		/* 176? */
 	SPL_MALLORNTREEGROW,
+	SPL_INVISIBILITY2_ILLAUN,
 	MAXALLSPELLS,
 	NO_SPELL = (spellid_t) -1
 };
diff --git a/src/common/kernel/unit.c b/src/common/kernel/unit.c
index ea8fd0db6..cb26a66f1 100644
--- a/src/common/kernel/unit.c
+++ b/src/common/kernel/unit.c
@@ -1041,3 +1041,10 @@ eff_skill(const unit * u, skill_t sk, const region * r)
 	}
 	return 0;
 }
+
+int
+invisible(const unit *u)
+{
+	return get_item(u, I_RING_OF_INVISIBILITY)
+		+ 100 * get_item(u, I_SPHERE_OF_INVISIBILITY);
+}
diff --git a/src/common/kernel/unit.h b/src/common/kernel/unit.h
index 2dd02bbf2..2ce19371e 100644
--- a/src/common/kernel/unit.h
+++ b/src/common/kernel/unit.h
@@ -154,4 +154,6 @@ extern void set_number(struct unit * u, int count);
 extern boolean learn_skill(struct unit * u, skill_t sk, double chance);
 #endif
 
+extern int invisible(const unit *u);
+
 #endif
diff --git a/src/corwin.mk b/src/corwin.mk
index 64e1a4837..49d389cab 100644
--- a/src/corwin.mk
+++ b/src/corwin.mk
@@ -4,7 +4,7 @@ ifndef ERESSEA
 endif
 
 # Hier definieren, damit nicht '@gcc'
-CC      = gcc-3.0 -D_GNU_SOURCE -ansi -pedantic -W
+CC      = gcc-3.0 -D_GNU_SOURCE -ansi -pedantic
 DEPEND  = @gcc-3.0 -MM -MG -r
 # CC      = gcc -D_GNU_SOURCE
 AR      = ar
diff --git a/src/eressea/korrektur.c b/src/eressea/korrektur.c
index 8d864c81b..53a69e516 100644
--- a/src/eressea/korrektur.c
+++ b/src/eressea/korrektur.c
@@ -28,6 +28,7 @@
 #include <modules/museum.h>
 #include <modules/xecmd.h>
 #include <items/questkeys.h>
+#include <items/catapultammo.h>
 
 /* gamecode includes */
 #include <creation.h>
@@ -619,10 +620,7 @@ show_newspells(void)
 	 * terminieren */
 
 	spellid_t newspellids[] = {
-		SPL_IRONKEEPER,
-		SPL_BLOODSACRIFICE,
-		SPL_TYBIED_DESTROY_MAGIC,
-		SPL_DESTROY_MAGIC,
+		SPL_INVISIBILITY2_ILLAUN,
 		SPL_NOSPELL };
 
 	/* die id's der neuen oder veränderten Sprüche werden in newspellids[]
@@ -2855,6 +2853,21 @@ fix_road_borders(void)
 	}
 }
 
+static int
+give_cammo(void)
+{
+	faction *f;
+	unit *u;
+
+	for(f=factions; f; f=f->next) {
+		for(u=f->units; u; u=u->nextF) {
+			i_change(&u->items, &it_catapultammo, i_get(u->items, olditemtype[I_CATAPULT]));
+		}
+	}
+
+	return 0;
+}
+
 void
 korrektur(void)
 {
@@ -2950,7 +2963,7 @@ korrektur_end(void)
 	do_once("peas", peasant_adjustment());
 	do_once("orcc", orc_conversion());
 #endif
-
+	do_once("camm", give_cammo());
 }
 
 void