diff --git a/include/save.h b/include/save.h
index 5fe9c04b..4d5e6d06 100644
--- a/include/save.h
+++ b/include/save.h
@@ -60,8 +60,8 @@ typedef struct {
     /*0x117*/ u8 fusedKinstoneCount;
     /*0x118*/ u8 unk118[0x13]; // TODO also related to kinstones
     /*0x12B*/ u8 unk12B[0x16]; // TODO also related to kinstones
-    /*0x141*/ u8 unk141[128];  // TODO sub_08064F28 and also the goddesses, indexed by sub_08002632
-    /*0x1C1*/ u8 unk1C1[128];  //  TODO also related to kinstones, see sub_0801E6C8 0x80 available kinstone fusions?
+    /*0x141*/ u8 fuserProgress[128]; // indexed by fuser id, incremented after fusion
+    /*0x1C1*/ u8 fuserOffers[128];   // available kinstone fusion for each fuser
     /*0x241*/ u8 fusedKinstones[13]; /**< Bitfield for fused kinstones. @see CheckKinstoneFused */
     /*0x24E*/ u8 unk24E[14];         // TODO something else with kinstones @see sub_0801E810
     /*0x25C*/ u8 flags[0x200];       /**< Flags. */
diff --git a/src/common.c b/src/common.c
index 909dd944..f92ea874 100644
--- a/src/common.c
+++ b/src/common.c
@@ -751,13 +751,13 @@ void sub_0801E6C8(u32 kinstoneId) {
     u32 index;
     if (kinstoneId - 1 < 100) {
         for (index = 0; index < 0x80; index++) {
-            if (kinstoneId == gSave.unk1C1[index]) {
-                gSave.unk1C1[index] = 0xf1;
+            if (kinstoneId == gSave.fuserOffers[index]) {
+                gSave.fuserOffers[index] = 0xf1;
             }
         }
         tmp = sub_08002632(gFuseInfo.ent);
-        if ((tmp - 1 < 0x7f) && (gSave.unk1C1[tmp] == 0xf1)) {
-            gSave.unk1C1[tmp] = 0xf2;
+        if ((tmp - 1 < 0x7f) && (gSave.fuserOffers[tmp] == 0xf1)) {
+            gSave.fuserOffers[tmp] = 0xf2;
         }
         for (index = 0; index < 0x20; index++) {
             if (kinstoneId == gUnk_03003DF0.array[index].unk_3) {
@@ -982,8 +982,8 @@ u32 sub_0801E99C(Entity* entity) {
     if (GetInventoryValue(ITEM_KINSTONE_BAG) == 0 || fuserData[0] > gSave.global_progress) {
         return 0;
     }
-    offeredFusion = gSave.unk1C1[fuserId];
-    fuserProgress = gSave.unk141[fuserId];
+    offeredFusion = gSave.fuserOffers[fuserId];
+    fuserProgress = gSave.fuserProgress[fuserId];
     fuserFusionData = (u8*)(fuserProgress + (u32)fuserData);
     while (TRUE) { // loop through fusions for this fuser
         switch (offeredFusion) {
@@ -1013,8 +1013,8 @@ u32 sub_0801E99C(Entity* entity) {
         }
         offeredFusion = 0xF1; // already completed, try next fusion in the list
     }
-    gSave.unk1C1[fuserId] = offeredFusion;
-    gSave.unk141[fuserId] = fuserProgress;
+    gSave.fuserOffers[fuserId] = offeredFusion;
+    gSave.fuserProgress[fuserId] = fuserProgress;
     randomMood = Random();
     fuserStability = fuserData[1];
     if (fuserStability <= randomMood % 100) {
diff --git a/src/npc/cucco.c b/src/npc/cucco.c
index c79084a8..9944978e 100644
--- a/src/npc/cucco.c
+++ b/src/npc/cucco.c
@@ -113,7 +113,7 @@ void sub_0806E65C(Entity* this) {
 void Cucco_ShowMessage(Entity* this) {
     u32 val = 0;
     u32 index = sub_08002632(this);
-    if (gSave.unk1C1[index] == 0xf3) {
+    if (gSave.fuserOffers[index] == 0xf3) {
         val = 1;
     }
 
diff --git a/src/npc/din.c b/src/npc/din.c
index 894edab4..19f23540 100644
--- a/src/npc/din.c
+++ b/src/npc/din.c
@@ -31,7 +31,7 @@ void Din(Entity* this) {
 
 void sub_08064828(Entity* this) {
     u32 tmp = sub_0801E99C(this);
-    if ((gSave.unk141[sub_08002632(this)] != 0) && (gSave.global_progress < 7)) {
+    if ((gSave.fuserProgress[sub_08002632(this)] != 0) && (gSave.global_progress < 7)) {
         tmp = 0;
     }
     sub_08078784(this, tmp);
diff --git a/src/npc/farore.c b/src/npc/farore.c
index 32f6e6ee..cbd09a5a 100644
--- a/src/npc/farore.c
+++ b/src/npc/farore.c
@@ -31,7 +31,7 @@ void Farore(Entity* this) {
 
 void sub_08064A28(Entity* this) {
     u32 tmp = sub_0801E99C(this);
-    if ((gSave.unk141[sub_08002632(this)] != 0) && (gSave.global_progress < 7)) {
+    if ((gSave.fuserProgress[sub_08002632(this)] != 0) && (gSave.global_progress < 7)) {
         tmp = 0;
     }
     sub_08078784(this, tmp);
diff --git a/src/npc/nayru.c b/src/npc/nayru.c
index 262b251c..23ab5de6 100644
--- a/src/npc/nayru.c
+++ b/src/npc/nayru.c
@@ -31,7 +31,7 @@ void Nayru(Entity* this) {
 
 void sub_08064928(Entity* this) {
     u32 tmp = sub_0801E99C(this);
-    if ((gSave.unk141[sub_08002632(this)] != 0) && (gSave.global_progress < 7)) {
+    if ((gSave.fuserProgress[sub_08002632(this)] != 0) && (gSave.global_progress < 7)) {
         tmp = 0;
     }
     sub_08078784(this, tmp);
diff --git a/src/npc/tingleSiblings.c b/src/npc/tingleSiblings.c
index 7ca9c778..36819425 100644
--- a/src/npc/tingleSiblings.c
+++ b/src/npc/tingleSiblings.c
@@ -134,7 +134,7 @@ void sub_08064F28(Entity* this, ScriptExecutionContext* context) {
     context->condition = 0;
     roomFlag = gUnk_0810FC50[this->type];
     if (CheckRoomFlag(roomFlag) == 0) {
-        bVar2 = gSave.unk141[sub_08002632(this)];
+        bVar2 = gSave.fuserProgress[sub_08002632(this)];
         if (bVar2 >= 2) {
             uVar5 = 3;
         } else {
diff --git a/src/npcUtils.c b/src/npcUtils.c
index 190c9338..c66537f3 100644
--- a/src/npcUtils.c
+++ b/src/npcUtils.c
@@ -355,7 +355,7 @@ u32 UpdateFuseInteraction(Entity* ent) {
 void sub_0806F188(Entity* ent) {
     u32 idx = sub_08002632(ent);
     if (idx != 0)
-        gSave.unk1C1[idx] = 0xF3;
+        gSave.fuserOffers[idx] = 0xF3;
 }
 
 void ShowNPCDialogue(Entity* ent, const Dialog* dia) {