diff --git a/exit/magic_portal/magic_portal.base.LICENSE b/exit/magic_portal/magic_portal.base.LICENSE
new file mode 100644
index 000000000..5a81de66a
--- /dev/null
+++ b/exit/magic_portal/magic_portal.base.LICENSE
@@ -0,0 +1,4 @@
+# Original artwork by Nicolas Weeger, made from a Blender model.
+license cc-by-sa-4.0
+licenseurl https://creativecommons.org/licenses/by-sa/4.0/legalcode
+sourcename Nicolas Weeger
diff --git a/exit/magic_portal/magic_portal_failed.base.LICENSE b/exit/magic_portal/magic_portal_failed.base.LICENSE
new file mode 100644
index 000000000..5a81de66a
--- /dev/null
+++ b/exit/magic_portal/magic_portal_failed.base.LICENSE
@@ -0,0 +1,4 @@
+# Original artwork by Nicolas Weeger, made from a Blender model.
+license cc-by-sa-4.0
+licenseurl https://creativecommons.org/licenses/by-sa/4.0/legalcode
+sourcename Nicolas Weeger
diff --git a/monster/elemental/Para/para_ice.base.LICENSE b/monster/elemental/Para/para_ice.base.LICENSE
new file mode 100644
index 000000000..5a81de66a
--- /dev/null
+++ b/monster/elemental/Para/para_ice.base.LICENSE
@@ -0,0 +1,4 @@
+# Original artwork by Nicolas Weeger, made from a Blender model.
+license cc-by-sa-4.0
+licenseurl https://creativecommons.org/licenses/by-sa/4.0/legalcode
+sourcename Nicolas Weeger
diff --git a/monster/insect/spider/spider.base.LICENSE b/monster/insect/spider/spider.base.LICENSE
new file mode 100644
index 000000000..5a81de66a
--- /dev/null
+++ b/monster/insect/spider/spider.base.LICENSE
@@ -0,0 +1,4 @@
+# Original artwork by Nicolas Weeger, made from a Blender model.
+license cc-by-sa-4.0
+licenseurl https://creativecommons.org/licenses/by-sa/4.0/legalcode
+sourcename Nicolas Weeger
diff --git a/spell/BlessCurse/bless_effect.base.LICENSE b/spell/BlessCurse/bless_effect.base.LICENSE
new file mode 100644
index 000000000..5a81de66a
--- /dev/null
+++ b/spell/BlessCurse/bless_effect.base.LICENSE
@@ -0,0 +1,4 @@
+# Original artwork by Nicolas Weeger, made from a Blender model.
+license cc-by-sa-4.0
+licenseurl https://creativecommons.org/licenses/by-sa/4.0/legalcode
+sourcename Nicolas Weeger
diff --git a/spell/BlessCurse/curse_effect.base.LICENSE b/spell/BlessCurse/curse_effect.base.LICENSE
new file mode 100644
index 000000000..5a81de66a
--- /dev/null
+++ b/spell/BlessCurse/curse_effect.base.LICENSE
@@ -0,0 +1,4 @@
+# Original artwork by Nicolas Weeger, made from a Blender model.
+license cc-by-sa-4.0
+licenseurl https://creativecommons.org/licenses/by-sa/4.0/legalcode
+sourcename Nicolas Weeger
diff --git a/spell/Change_Ability/protection_cold_effect.base.LICENSE b/spell/Change_Ability/protection_cold_effect.base.LICENSE
new file mode 100644
index 000000000..5a81de66a
--- /dev/null
+++ b/spell/Change_Ability/protection_cold_effect.base.LICENSE
@@ -0,0 +1,4 @@
+# Original artwork by Nicolas Weeger, made from a Blender model.
+license cc-by-sa-4.0
+licenseurl https://creativecommons.org/licenses/by-sa/4.0/legalcode
+sourcename Nicolas Weeger
diff --git a/spell/Change_Ability/protection_electricity_effect.base.LICENSE b/spell/Change_Ability/protection_electricity_effect.base.LICENSE
new file mode 100644
index 000000000..5a81de66a
--- /dev/null
+++ b/spell/Change_Ability/protection_electricity_effect.base.LICENSE
@@ -0,0 +1,4 @@
+# Original artwork by Nicolas Weeger, made from a Blender model.
+license cc-by-sa-4.0
+licenseurl https://creativecommons.org/licenses/by-sa/4.0/legalcode
+sourcename Nicolas Weeger
diff --git a/spell/Change_Ability/protection_fire_effect.base.LICENSE b/spell/Change_Ability/protection_fire_effect.base.LICENSE
new file mode 100644
index 000000000..5a81de66a
--- /dev/null
+++ b/spell/Change_Ability/protection_fire_effect.base.LICENSE
@@ -0,0 +1,4 @@
+# Original artwork by Nicolas Weeger, made from a Blender model.
+license cc-by-sa-4.0
+licenseurl https://creativecommons.org/licenses/by-sa/4.0/legalcode
+sourcename Nicolas Weeger
diff --git a/spell/Change_Ability/protection_poison_effect.base.LICENSE b/spell/Change_Ability/protection_poison_effect.base.LICENSE
new file mode 100644
index 000000000..5a81de66a
--- /dev/null
+++ b/spell/Change_Ability/protection_poison_effect.base.LICENSE
@@ -0,0 +1,4 @@
+# Original artwork by Nicolas Weeger, made from a Blender model.
+license cc-by-sa-4.0
+licenseurl https://creativecommons.org/licenses/by-sa/4.0/legalcode
+sourcename Nicolas Weeger
diff --git a/spell/MagicWall/counterwall.base.LICENSE b/spell/MagicWall/counterwall.base.LICENSE
new file mode 100644
index 000000000..4db2a3f88
--- /dev/null
+++ b/spell/MagicWall/counterwall.base.LICENSE
@@ -0,0 +1,4 @@
+# Original artwork by Nicolas Weeger.
+license cc-by-sa-4.0
+licenseurl https://creativecommons.org/licenses/by-sa/4.0/legalcode
+sourcename Nicolas Weeger