diff --git a/mpq/arr/flingy.datex b/mpq/arr/flingy.datex
index 3fe8e226..dc523a90 100644
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diff --git a/mpq/arr/flingy.txt b/mpq/arr/flingy.txt
index efc2c94e..b7fa0307 100644
--- a/mpq/arr/flingy.txt
+++ b/mpq/arr/flingy.txt
@@ -469,7 +469,7 @@ Skortrith Colony
 Empress Plasma
 Engram
 Hammerfall Beacon
-Extended Flingy #263
+Zarcavrokor Bone
 Extended Flingy #264
 Extended Flingy #265
 Extended Flingy #266
diff --git a/mpq/arr/images.datex b/mpq/arr/images.datex
index a95c61e5..8f6bbcb5 100644
Binary files a/mpq/arr/images.datex and b/mpq/arr/images.datex differ
diff --git a/mpq/arr/images.tbl b/mpq/arr/images.tbl
index f7f36ce7..dcf2bbac 100644
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diff --git a/mpq/arr/images.txt b/mpq/arr/images.txt
index 6826aaee..5665499d 100644
--- a/mpq/arr/images.txt
+++ b/mpq/arr/images.txt
@@ -1715,7 +1715,7 @@ Zerg Unit Rubble (Tiny)
 Engram
 Engram Shadow
 Hammerfall Beacon
-Extended Image #715
+Zarcavrokor Bone
 Extended Image #716
 Extended Image #717
 Extended Image #718
diff --git a/mpq/arr/sprites.datex b/mpq/arr/sprites.datex
index ab8b1f8e..53dcbf4c 100644
Binary files a/mpq/arr/sprites.datex and b/mpq/arr/sprites.datex differ
diff --git a/mpq/arr/sprites.txt b/mpq/arr/sprites.txt
index 2a4959e7..c7cffc14 100644
--- a/mpq/arr/sprites.txt
+++ b/mpq/arr/sprites.txt
@@ -851,7 +851,7 @@ Zerg Unit Rubble (Small)
 Zerg Unit Rubble (Tiny)
 Engram
 Hammerfall Beacon
-Extended Sprite #1
+Zarcavrokor Bone
 Extended Sprite #1
 Extended Sprite #1
 Extended Sprite #1
diff --git a/mpq/arr/weapons.datex b/mpq/arr/weapons.datex
index 0461d721..63910bc5 100644
Binary files a/mpq/arr/weapons.datex and b/mpq/arr/weapons.datex differ
diff --git a/mpq/unit/cm/terran/ion-cannon-beacon.grp b/mpq/unit/cm/terran/ion-cannon-beacon.grp
new file mode 100644
index 00000000..cc2fe4fd
Binary files /dev/null and b/mpq/unit/cm/terran/ion-cannon-beacon.grp differ
diff --git a/mpq/unit/cm/zerg/zarcavrokor-bone.grp b/mpq/unit/cm/zerg/zarcavrokor-bone.grp
new file mode 100644
index 00000000..42572170
Binary files /dev/null and b/mpq/unit/cm/zerg/zarcavrokor-bone.grp differ
diff --git a/patchnotes.md b/patchnotes.md
index d5a2b426..b85d3c09 100644
--- a/patchnotes.md
+++ b/patchnotes.md
@@ -1,7 +1,7 @@
 # 8 April 2023 - prospective patch notes
 
 ## Designer's Notes
-Continuing March Madness into April, tweaking the economic pacing some more, and improving AI!
+Continuing March Madness into April, tweaking the economic pacing some more, and improving AI - plus plenty of bugfixes and unit revisions!
 
 ## Resources
 - Harvest time now 4 seconds, from 4.8
@@ -16,6 +16,7 @@ Continuing March Madness into April, tweaking the economic pacing some more, and
 - Maelstrom hits from dead Mind Tyrants no longer crash (c. Veeq7)
 - Basic workers should no longer freeze in place (c. DarkenedFantasies)
 - Attack-move no longer causes units to ignores enemies when initially attacking a structure
+- Weapons with Prolonged Arms now pierce targets far more consistently (c. Veeq7)
 - Zarcavrokor Bones of Reflection now correctly respects weapon range (c. Veeq7)
 - Burrowed units are no longer displaced by Striga Fleeting Focus, Magnetar Law of Attraction (c. Pr0nogo), or Anthelion Gravity Well (c. Veeq7)
 - Player color randomization now ignores the colors of witness players (c. Veeq7)
@@ -32,6 +33,10 @@ Continuing March Madness into April, tweaking the economic pacing some more, and
 - AI "drip-feed" attack waves less often
 - Zerg AI now request advanced defenses when at tier 2 and beyond
 
+## Audiovisuals
+- New sprite for:
+	- Zarcavrokor Bones of Reflection projectile
+
 ## Terran
 - [Heracles](https://www.fraudsclub.com/cosmonarchy-bw/show.php?target=terran/heracles):
 	- HP now 140, from 120
@@ -46,7 +51,7 @@ Continuing March Madness into April, tweaking the economic pacing some more, and
 - [Ion Cannon](https://www.fraudsclub.com/cosmonarchy-bw/show.php?target=terran/ion-cannon):
 	- Mineral cost now 1000, from 800
 	- Weapon cooldown now 7, from 10 (revert of previous change)
-	- Now fires at target's initial position (still needs reads)
+	- Now fires a Hammerfall Beacon at target's initial position, before firing main gun at beacon position
 
 ## Protoss
 - [Cantavis](https://www.fraudsclub.com/cosmonarchy-bw/show.php?target=protoss/cantavis):
diff --git a/plugins/gptp.qdp b/plugins/gptp.qdp
index 49dbbea9..5bc2e6a7 100644
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