diff --git a/go/internal/server/gamedata/quest_costume.go b/go/internal/server/gamedata/quest_costume.go
index faed907..47fef66 100644
--- a/go/internal/server/gamedata/quest_costume.go
+++ b/go/internal/server/gamedata/quest_costume.go
@@ -2,13 +2,26 @@ package gamedata
 
 // LoadQuestCostumes loads only costume rewards referenced by the installed
 // quest catalog, using the same character and duplicate-copy metadata as gacha.
-func LoadQuestCostumes(root, version string, packs map[int]map[int]QuestDesign) (*RegularGachaCatalog, error) {
+func LoadQuestCostumes(root, version string, packs map[int]map[int]QuestDesign, story *StoryCatalog) (*RegularGachaCatalog, error) {
 	db, closeDB, err := openStatDatabase(root, version)
 	if err != nil {
 		return nil, err
 	}
 	defer closeDB()
 	catalog := &RegularGachaCatalog{characters: map[uint64]CharacterDesign{}}
+	if story != nil {
+		for _, pack := range story.Packs {
+			for _, reward := range pack.BuyRewards {
+				if reward.Type == 11 {
+					design, err := loadGachaCharacterDesign(db, reward.ID)
+					if err != nil {
+						return nil, err
+					}
+					catalog.characters[reward.ID] = design
+				}
+			}
+		}
+	}
 	for _, quests := range packs {
 		for _, quest := range quests {
 			for _, slot := range quest.Rewards {
diff --git a/go/internal/server/gamedata/story_catalog.go b/go/internal/server/gamedata/story_catalog.go
index 1a7411a..cf99ab5 100644
--- a/go/internal/server/gamedata/story_catalog.go
+++ b/go/internal/server/gamedata/story_catalog.go
@@ -111,9 +111,9 @@ func loadStoryCatalog(db *sql.DB) (*StoryCatalog, error) {
 			return nil, fmt.Errorf("gamedata: invalid story pack%d buy rewards", id)
 		}
 		for i, count := range counts {
-			// PackTable may retain a disabled reward slot with a real type/ID
-			// and zero count. It contributes no granted reward.
-			if count == 0 {
+			// Costume/equipment are instance rewards: their count is zero,
+			// just as in QuestTable. Only zero-count stackable slots are empty.
+			if count == 0 && types[i] != 10 && types[i] != 11 {
 				continue
 			}
 			if types[i] == 0 || count > math.MaxInt32 || types[i] > math.MaxInt32 || ids[i] > math.MaxInt32 {
diff --git a/go/internal/server/gamedata/story_catalog_test.go b/go/internal/server/gamedata/story_catalog_test.go
index 0849fd1..6237b2e 100644
--- a/go/internal/server/gamedata/story_catalog_test.go
+++ b/go/internal/server/gamedata/story_catalog_test.go
@@ -26,8 +26,7 @@ func TestStoryCatalogEnumeratesSeparateChainsAndContentTicketRules(t *testing.T)
 			raw = wire.AppendVarint(raw, 8, 1)
 			raw = wire.AppendVarint(raw, 9, 100)
 			raw = wire.AppendVarint(raw, 10, 19)
-			// An official-shaped disabled costume slot must be equivalent
-			// to omitting that slot; type and ID remain populated.
+			// Non-stackable costume instances retain their ID with count zero.
 			raw = wire.AppendVarint(raw, 8, 0)
 			raw = wire.AppendVarint(raw, 9, 200)
 			raw = wire.AppendVarint(raw, 10, 11)
@@ -82,7 +81,7 @@ func TestStoryCatalogEnumeratesSeparateChainsAndContentTicketRules(t *testing.T)
 	if d.Packs[1].Quests[1].NextQuestID != 2 || d.Packs[1].Quests[2].PriorQuestID != 1 || d.Packs[1].Quests[3].Type != 1 {
 		t.Fatal("quest edges/type were lost")
 	}
-	if rewards := d.Packs[7].BuyRewards; len(rewards) != 1 || rewards[0].Type != 19 || rewards[0].ID != 100 {
+	if rewards := d.Packs[7].BuyRewards; len(rewards) != 2 || rewards[0].Type != 19 || rewards[0].ID != 100 || rewards[1].Type != 11 || rewards[1].ID != 200 || rewards[1].Count != 0 {
 		t.Fatalf("buy rewards=%+v", rewards)
 	}
 	if len(d.TicketSources[101]) != 2 {
diff --git a/go/internal/server/world/pack_purchase.go b/go/internal/server/world/pack_purchase.go
index b4b69d4..3f2be07 100644
--- a/go/internal/server/world/pack_purchase.go
+++ b/go/internal/server/world/pack_purchase.go
@@ -47,7 +47,7 @@ func (s *Service) handlePackBuy(request []byte) (int, []byte, bool, error) {
 func (s *Service) grantPurchaseRewards(identity string, rewards []gamedata.Reward) ([]player.Item, error) {
 	var itemRewards []gamedata.BattleReward
 	for _, reward := range rewards {
-		if reward.Count == 0 {
+		if reward.Count == 0 && reward.Type != 11 {
 			return nil, fmt.Errorf("world: empty pack purchase reward")
 		}
 		if reward.Type == 19 {
@@ -57,6 +57,36 @@ func (s *Service) grantPurchaseRewards(identity string, rewards []gamedata.Rewar
 			itemRewards = append(itemRewards, gamedata.BattleReward{Type: reward.Type, ID: reward.ID, Count: reward.Count})
 		}
 	}
+	var costumeIDs []uint64
+	for _, reward := range rewards {
+		if reward.Type == 11 {
+			if s.questCostumes == nil {
+				return nil, fmt.Errorf("world: missing purchase costume design")
+			}
+			if _, found := s.questCostumes.Character(reward.ID); !found {
+				return nil, fmt.Errorf("world: missing purchase costume %d", reward.ID)
+			}
+			costumeIDs = append(costumeIDs, reward.ID)
+		}
+	}
+	if len(costumeIDs) > 0 {
+		grant, err := s.collection.GrantCostumes(identity+":costumes", costumeIDs, s.questCostumes)
+		if err != nil {
+			return nil, err
+		}
+		var exchanges []gamedata.Reward
+		for _, x := range grant.Exchanges {
+			if x.ExchangeItemType != 20 {
+				return nil, fmt.Errorf("world: unsupported purchase costume exchange")
+			}
+			exchanges = append(exchanges, gamedata.Reward{Type: x.ExchangeItemType, ID: x.ExchangeItemID, Count: x.ExchangeCount})
+		}
+		if len(exchanges) > 0 {
+			if _, err := s.wallet.GrantQuestOnce(identity+":costumes:exchange", exchanges); err != nil {
+				return nil, err
+			}
+		}
+	}
 	if _, err := s.wallet.GrantQuestOnce(identity+":currency", rewards); err != nil {
 		return nil, err
 	}
@@ -78,6 +108,7 @@ func (s *Service) purchaseStoryPack(id int, initial bool) ([]byte, error) {
 	if !exists {
 		return nil, fmt.Errorf("%w: unknown purchase pack %d", ErrInvalidRequest, id)
 	}
+	buyRewards := pack.BuyRewards
 	identity := packPurchaseIdentity(id)
 	if _, owned := s.collection.Grant(identity); owned {
 		return []byte{}, nil
@@ -85,12 +116,12 @@ func (s *Service) purchaseStoryPack(id int, initial bool) ([]byte, error) {
 	if !initial && pack.BuyPrice != 0 {
 		return nil, fmt.Errorf("%w: paid pack purchase type %d is unsupported", ErrInvalidRequest, pack.BuyType)
 	}
-	for _, reward := range pack.BuyRewards {
-		if reward.Type != 3 && reward.Type != 4 && reward.Type != 12 && reward.Type != 19 {
+	for _, reward := range buyRewards {
+		if reward.Type != 3 && reward.Type != 4 && reward.Type != 12 && reward.Type != 19 && reward.Type != 11 {
 			return nil, fmt.Errorf("world: unsupported pack purchase reward type %d", reward.Type)
 		}
 	}
-	items, err := s.grantPurchaseRewards(identity, pack.BuyRewards)
+	items, err := s.grantPurchaseRewards(identity, buyRewards)
 	if err != nil {
 		return nil, err
 	}
@@ -98,7 +129,10 @@ func (s *Service) purchaseStoryPack(id int, initial bool) ([]byte, error) {
 		return nil, err
 	}
 	var bundle []byte
-	for _, reward := range pack.BuyRewards {
+	if grant, found := s.collection.Grant(identity + ":costumes"); found {
+		bundle = append(bundle, player.CollectionRewardBundle(s.collection, grant)...)
+	}
+	for _, reward := range buyRewards {
 		if reward.Type == 3 || reward.Type == 4 || reward.Type == 12 {
 			currency := wire.AppendVarint(wire.AppendVarint(nil, 3, reward.Type), 4, reward.Count)
 			bundle = wire.AppendBytes(bundle, 1, currency)
diff --git a/go/internal/server/world/story_catalog_test.go b/go/internal/server/world/story_catalog_test.go
index 29ee744..da0a391 100644
--- a/go/internal/server/world/story_catalog_test.go
+++ b/go/internal/server/world/story_catalog_test.go
@@ -8,6 +8,13 @@ import (
 	"testing"
 )
 
+type purchaseTestCostumes map[uint64]gamedata.CharacterDesign
+
+func (c purchaseTestCostumes) Character(id uint64) (gamedata.CharacterDesign, bool) {
+	d, ok := c[id]
+	return d, ok
+}
+
 func TestStoryCatalogUsesTicketsAndQuestLinksAcrossIndependentPacks(t *testing.T) {
 	s := testService()
 	s.seed.PackID = 701
@@ -67,6 +74,26 @@ func TestStoryCatalogUsesTicketsAndQuestLinksAcrossIndependentPacks(t *testing.T
 	if len(ids) != 2 || ids[0] != 405 || ids[1] != 701 {
 		t.Fatalf("terminal updates %v", ids)
 	}
+	if err := s.state.ClearQuest(33, 405); err != nil {
+		t.Fatal(err)
+	}
+	if err := s.state.ClearQuest(50, 701); err != nil {
+		t.Fatal(err)
+	}
+	var counts = map[uint64]uint64{}
+	if err := wire.Walk(s.accountPackInfo(), func(f wire.Field) error {
+		if f.Number == 2 {
+			id, _, _ := wire.Varint(f.Value, 1)
+			count, _, _ := wire.Varint(f.Value, 3)
+			counts[id] = count
+		}
+		return nil
+	}); err != nil {
+		t.Fatal(err)
+	}
+	if len(counts) != 2 || counts[405] != 1 || counts[701] != 2 {
+		t.Fatalf("completed normal levels count sidequests or omit nonseed pack: %v", counts)
+	}
 }
 
 func TestInitialPackPurchaseUsesDesignAndDurableIdentity(t *testing.T) {
@@ -86,7 +113,8 @@ func TestInitialPackPurchaseUsesDesignAndDurableIdentity(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
-	s.storyCatalog = &gamedata.StoryCatalog{Packs: map[int]gamedata.StoryPack{707: {ID: 707, BuyRewards: []gamedata.Reward{{Type: 12, Count: 17}, {Type: 19, ID: 88, Count: 1}}}}}
+	s.storyCatalog = &gamedata.StoryCatalog{Packs: map[int]gamedata.StoryPack{707: {ID: 707, BuyRewards: []gamedata.Reward{{Type: 12, Count: 17}, {Type: 4, Count: 31}, {Type: 19, ID: 88, Count: 1}, {Type: 11, ID: 101, Count: 0}}}}}
+	s.questCostumes = purchaseTestCostumes{101: {ID: 10, HP: 100, CostumeMaxLevel: 5}}
 	for i := 0; i < 2; i++ {
 		if err := s.EnsureInitialPackPurchase(); err != nil {
 			t.Fatal(err)
@@ -95,6 +123,9 @@ func TestInitialPackPurchaseUsesDesignAndDurableIdentity(t *testing.T) {
 	if s.wallet.CatalystBalance() != 26 || len(s.inventory.All()) != 1 {
 		t.Fatal("purchase reward repeated or hardcoded")
 	}
+	if s.wallet.Snapshot().Gold != 31 || len(s.collection.Costumes()) != 1 {
+		t.Fatal("purchase gold or non-stackable level-zero costume handled incorrectly")
+	}
 	if _, owned := s.collection.Grant("pack-purchase:707"); !owned {
 		t.Fatal("missing purchase marker")
 	}
diff --git a/go/internal/server/world/world.go b/go/internal/server/world/world.go
index 999c6a2..4687367 100644
--- a/go/internal/server/world/world.go
+++ b/go/internal/server/world/world.go
@@ -67,7 +67,7 @@ func Load(seedPath, gameDataRoot, gameDataVersion string, storage stateio.Store,
 		packs[id] = pack.Quests
 		transitions[id] = gamedata.PackTransition{PackID: id, NextPackID: pack.NextPackID}
 	}
-	questCostumes, err := gamedata.LoadQuestCostumes(gameDataRoot, gameDataVersion, packs)
+	questCostumes, err := gamedata.LoadQuestCostumes(gameDataRoot, gameDataVersion, packs, storyCatalog)
 	if err != nil {
 		return nil, err
 	}
@@ -685,9 +685,13 @@ func (s *Service) accountPackInfo() []byte {
 	for _, info := range s.packDBInfoRows() {
 		out = wire.AppendBytes(out, 1, info)
 	}
-	if s.packComplete() {
-		level := wire.AppendVarint(nil, 1, uint64(s.seed.PackID))
-		level = wire.AppendVarint(level, 3, uint64(len(s.state.ClearedQuests(s.seed.PackID))))
+	for _, info := range s.packDBInfoRows() {
+		id, _, _ := wire.Varint(info, 1)
+		if !s.packCompleteFor(int(id)) {
+			continue
+		}
+		level := wire.AppendVarint(nil, 1, id)
+		level = wire.AppendVarint(level, 3, uint64(len(s.storyCatalog.Packs[int(id)].MainQuestIDs)))
 		level = wire.AppendVarint(level, 5, 1)
 		out = wire.AppendBytes(out, 2, level)
 	}