diff --git a/.gitattributes b/.gitattributes
index fdac042ba45..b2d5da22662 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -5564,6 +5564,7 @@ res/quest/themes/Giants[!!-~]WR.thm -text
 res/quest/themes/Goblins[!!-~]BR.thm -text
 res/quest/themes/Goblins[!!-~]R.thm -text
 res/quest/themes/Indestructibility[!!-~]WB.thm -text
+res/quest/themes/Islandwalk[!!-~]U.thm -text
 res/quest/themes/Kithkin[!!-~]W.thm -text
 res/quest/themes/Legends[!!-~]WG.thm -text
 res/quest/themes/Megrim[!!-~]UBR.thm -text
diff --git a/res/quest/themes/Islandwalk U.thm b/res/quest/themes/Islandwalk U.thm
new file mode 100644
index 00000000000..f90cc0e060e
--- /dev/null
+++ b/res/quest/themes/Islandwalk U.thm	
@@ -0,0 +1,62 @@
+BasicLandPercentage=36
+
+[Group MaxCnt=4 Percentage=18]
+Lingering Mirage
+Sea's Claim
+Spreading Seas
+Spreading Seas
+[/Group]
+
+[Group MaxCnt=4 Percentage=3]
+Grayscaled Gharial
+Merchant Ship
+Water Wurm
+[/Group]
+
+[Group MaxCnt=4 Percentage=10]
+Stonybrook Banneret
+Dandan
+Hammerhead Shark
+[/Group]
+
+[Group MaxCnt=4 Percentage=10]
+Cold-Eyed Selkie
+Devouring Deep
+Rootwater Commando
+Manta Ray
+Steam Frigate
+Wu Warship
+Spire Golem
+[/Group]
+
+[Group MaxCnt=3 Percentage=7]
+Ethereal Whiskergill
+Merrow Harbinger
+Merfolk Seastalkers
+[/Group]
+
+[Group MaxCnt=3 Percentage=8]
+Segovian Leviathan
+Armored Galleon
+Inkfathom Divers
+Pirate Ship
+Red Cliffs Armada
+Serpent of the Endless Sea
+[/Group]
+
+[Group MaxCnt=2 Percentage=6]
+Harbor Serpent
+Deep-Sea Serpent
+Sea Monster
+Sea Serpent
+[/Group]
+
+[Group MaxCnt=1 Percentage=2]
+Benthic Behemoth
+Inkwell Leviathan
+Slipstream Eel
+Slipstream Serpent
+Zhou Yu, Chief Commander
+[/Group]
+
+End
\ No newline at end of file