diff --git a/ROADMAP.md b/ROADMAP.md
index 2347516..6b91c36 100644
--- a/ROADMAP.md
+++ b/ROADMAP.md
@@ -7,6 +7,5 @@
 - cached queries
 - observers and events
 - add INDEX fragment trait
-- add REQUIRES fragment trait
 - use compact prefix-tree for chunks
 - optional ffi component storages
diff --git a/develop/testing/requires_fragment_tests.lua b/develop/testing/requires_fragment_tests.lua
index befa3a4..f1fcb1d 100644
--- a/develop/testing/requires_fragment_tests.lua
+++ b/develop/testing/requires_fragment_tests.lua
@@ -50,7 +50,8 @@ do
         assert(not evo.has(e, f2))
 
         local e2 = evo.clone(e)
-        assert(not evo.has(e2, f2))
+        assert(evo.has(e2, f2))
+        assert(evo.get(e2, f2) == true)
 
         local e3 = evo.clone(e, { [f3] = true })
         assert(evo.has(e3, f2))
@@ -101,7 +102,8 @@ do
         assert(not evo.has(e, f2))
 
         local e2 = evo.clone(e)
-        assert(not evo.has(e2, f2))
+        assert(evo.has(e2, f2))
+        assert(evo.get(e2, f2) == 42)
 
         local e3 = evo.clone(e, { [f3] = true })
         assert(evo.has(e3, f2))
@@ -161,8 +163,8 @@ do
 
         local e2 = evo.clone(e, { [f1] = 21 })
         assert(evo.has(e2, f1) and evo.get(e2, f1) == 21)
-        assert(not evo.has(e2, f2))
-        assert(not evo.has(e2, f3))
+        assert(evo.has(e2, f2) and evo.get(e2, f2) == true)
+        assert(evo.has(e2, f3) and evo.get(e2, f3) == 42)
 
         local e3 = evo.clone(e, { [f3] = 21 })
         assert(evo.has(e3, f1) and evo.get(e3, f1) == true)
@@ -204,8 +206,8 @@ do
 
         local e2 = evo.clone(e, { [f1] = 21 })
         assert(evo.has(e2, f1) and evo.get(e2, f1) == 21)
-        assert(not evo.has(e2, f2))
-        assert(not evo.has(e2, f3))
+        assert(evo.has(e2, f2) and evo.get(e2, f2) == true)
+        assert(evo.has(e2, f3) and evo.get(e2, f3) == true)
 
         local e3 = evo.clone(e, { [f3] = 21 })
         assert(evo.has(e3, f1) and evo.get(e3, f1) == 42)
diff --git a/evolved.lua b/evolved.lua
index 881fa44..7aa511e 100644
--- a/evolved.lua
+++ b/evolved.lua
@@ -1635,7 +1635,7 @@ local function __chunk_required_fragments(chunk, req_fragment_set, req_fragment_
 
         __lua_table_move(
             chunk_fragment_list, 1, chunk_fragment_count,
-            1, fragment_stack)
+            fragment_stack_size + 1, fragment_stack)
 
         fragment_stack_size = fragment_stack_size + chunk_fragment_count
     end
@@ -2018,12 +2018,8 @@ local function __clone_entity(entity, prefab, components)
         ---@type evolved.fragment[]
         req_fragment_list = __acquire_table(__table_pool_tag.fragment_list)
 
-        for fragment in __lua_next, components do
-            if not prefab_chunk or not prefab_chunk.__fragment_set[fragment] then
-                req_fragment_count = __fragment_required_fragments(fragment,
-                    req_fragment_set, req_fragment_list, req_fragment_count)
-            end
-        end
+        req_fragment_count = __chunk_required_fragments(ini_chunk,
+            req_fragment_set, req_fragment_list, req_fragment_count)
 
         for i = 1, req_fragment_count do
             local req_fragment = req_fragment_list[i]