diff --git a/ProjectObsidian/ProtoFlux/Flow/AsyncWhileWithIteration.cs b/ProjectObsidian/ProtoFlux/Flow/AsyncWhileWithIteration.cs
new file mode 100644
index 0000000..135699f
--- /dev/null
+++ b/ProjectObsidian/ProtoFlux/Flow/AsyncWhileWithIteration.cs
@@ -0,0 +1,40 @@
+using ProtoFlux.Core;
+using System.Threading.Tasks;
+using ProtoFlux.Runtimes.Execution;
+
+namespace ProtoFlux.Runtimes.Execution.Nodes.Obsidian.Flow
+{
+    [NodeCategory("Obsidian/Flow")]
+    [NodeName("AsyncWhile With I", false)]
+    public class AsyncWhileWithIteration : AsyncActionNode<ExecutionContext>
+    {
+        public ValueInput<bool> Condition;
+        public AsyncCall LoopStart;
+        public AsyncCall LoopIteration;
+        public Continuation LoopEnd;
+        public readonly ValueOutput<int> i;
+        private int iter;
+
+        protected override async Task<IOperation> RunAsync(ExecutionContext context)
+        {
+            iter = 0;
+            await LoopStart.ExecuteAsync(context);
+            while (Condition.Evaluate(context, defaultValue: false))
+            {
+                i.Write(iter, context);
+                if (context.AbortExecution)
+                {
+                    throw new ExecutionAbortedException(base.Runtime as IExecutionRuntime, this, LoopIteration.Target, isAsync: true);
+                }
+                await LoopIteration.ExecuteAsync(context);
+                iter++;
+            }
+            return LoopEnd.Target;
+        }
+
+        public AsyncWhileWithIteration()
+        {
+            i = new ValueOutput<int>(this);
+        }
+    }
+}
\ No newline at end of file
diff --git a/ProjectObsidian/ProtoFlux/Flow/WhileWithIteration.cs b/ProjectObsidian/ProtoFlux/Flow/WhileWithIteration.cs
new file mode 100644
index 0000000..e86a3ff
--- /dev/null
+++ b/ProjectObsidian/ProtoFlux/Flow/WhileWithIteration.cs
@@ -0,0 +1,39 @@
+using ProtoFlux.Core;
+using ProtoFlux.Runtimes.Execution;
+
+namespace ProtoFlux.Runtimes.Execution.Nodes.Obsidian.Flow
+{
+    [NodeCategory("Obsidian/Flow")]
+    [NodeName("While With I", false)]
+    public class WhileWithIteration : ActionNode<ExecutionContext>
+    {
+        public ValueInput<bool> Condition;
+        public Call LoopStart;
+        public Call LoopIteration;
+        public Call LoopEnd;
+        public readonly ValueOutput<int> i;
+        private int iter;
+
+        protected override IOperation Run(ExecutionContext context)
+        {
+            iter = 0;
+            LoopStart.Execute(context);
+            while (Condition.Evaluate(context, defaultValue: false))
+            {
+                i.Write(iter, context);
+                if (context.AbortExecution)
+                {
+                    throw new ExecutionAbortedException(base.Runtime as IExecutionRuntime, this, LoopIteration.Target, isAsync: false);
+                }
+                LoopIteration.Execute(context);
+                iter++;
+            }
+            return LoopEnd.Target;
+        }
+
+        public WhileWithIteration()
+        {
+            i = new ValueOutput<int>(this);
+        }
+    }
+}
\ No newline at end of file
diff --git a/ProjectObsidian/ProtoFlux/Users/UserFromUserRef.cs b/ProjectObsidian/ProtoFlux/Users/UserFromUserRef.cs
new file mode 100644
index 0000000..616b4f8
--- /dev/null
+++ b/ProjectObsidian/ProtoFlux/Users/UserFromUserRef.cs
@@ -0,0 +1,21 @@
+using FrooxEngine.ProtoFlux;
+using ProtoFlux.Core;
+using FrooxEngine;
+using ProtoFlux.Runtimes.Execution;
+
+namespace ProtoFlux.Runtimes.Execution.Nodes.Obsidian.Users
+{
+    [ContinuouslyChanging]
+    [NodeCategory("Obsidian/Users")]
+    [NodeName("User From UserRef")]
+    public class UserFromUserRef : ObjectFunctionNode<FrooxEngineContext, User>
+    {
+        public readonly ObjectInput<UserRef> UserRef;
+
+        protected override User Compute(FrooxEngineContext context)
+        {
+            UserRef userRef = UserRef.Evaluate(context);
+            return userRef.Target;
+        }
+    }
+}
\ No newline at end of file