diff --git a/Content.IntegrationTests/Tests/Body/LungTest.cs b/Content.IntegrationTests/Tests/Body/LungTest.cs
index 1f9c0b4c2f..1e75cd27a2 100644
--- a/Content.IntegrationTests/Tests/Body/LungTest.cs
+++ b/Content.IntegrationTests/Tests/Body/LungTest.cs
@@ -72,7 +72,7 @@ namespace Content.IntegrationTests.Tests.Body
             await server.WaitPost(() =>
             {
                 mapId = mapManager.CreateMap();
-                grid = mapLoader.LoadBlueprint(mapId, testMapName).gridId;
+                grid = mapLoader.LoadGrid(mapId, testMapName).gridId;
             });
 
             Assert.NotNull(grid, $"Test blueprint {testMapName} not found.");
@@ -144,7 +144,7 @@ namespace Content.IntegrationTests.Tests.Body
             await server.WaitPost(() =>
             {
                 mapId = mapManager.CreateMap();
-                grid = mapLoader.LoadBlueprint(mapId, testMapName).gridId;
+                grid = mapLoader.LoadGrid(mapId, testMapName).gridId;
             });
 
             Assert.NotNull(grid, $"Test blueprint {testMapName} not found.");
diff --git a/Content.IntegrationTests/Tests/SaveLoadSaveTest.cs b/Content.IntegrationTests/Tests/SaveLoadSaveTest.cs
index 256a41e902..2a42f36047 100644
--- a/Content.IntegrationTests/Tests/SaveLoadSaveTest.cs
+++ b/Content.IntegrationTests/Tests/SaveLoadSaveTest.cs
@@ -27,10 +27,10 @@ namespace Content.IntegrationTests.Tests
             {
                 // TODO: Properly find the "main" station grid.
                 var grid0 = mapManager.GetAllGrids().First();
-                mapLoader.SaveBlueprint(grid0.GridEntityId, "save load save 1.yml");
+                mapLoader.SaveGrid(grid0.GridEntityId, "save load save 1.yml");
                 var mapId = mapManager.CreateMap();
-                var grid = mapLoader.LoadBlueprint(mapId, "save load save 1.yml").gridId;
-                mapLoader.SaveBlueprint(grid!.Value, "save load save 2.yml");
+                var grid = mapLoader.LoadGrid(mapId, "save load save 1.yml").gridId;
+                mapLoader.SaveGrid(grid!.Value, "save load save 2.yml");
             });
 
             await server.WaitIdleAsync();
diff --git a/Content.Server/Cargo/Systems/CargoSystem.Shuttle.cs b/Content.Server/Cargo/Systems/CargoSystem.Shuttle.cs
index c30a7d70c5..390f9dcd6d 100644
--- a/Content.Server/Cargo/Systems/CargoSystem.Shuttle.cs
+++ b/Content.Server/Cargo/Systems/CargoSystem.Shuttle.cs
@@ -287,7 +287,7 @@ public sealed partial class CargoSystem
         var possibleNames = _protoMan.Index<DatasetPrototype>(prototype.NameDataset).Values;
         var name = _random.Pick(possibleNames);
 
-        var (_, shuttleUid) = _loader.LoadBlueprint(CargoMap.Value, prototype.Path.ToString());
+        var (_, shuttleUid) = _loader.LoadGrid(CargoMap.Value, prototype.Path.ToString());
         var xform = Transform(shuttleUid!.Value);
         MetaData(shuttleUid!.Value).EntityName = name;
 
diff --git a/Content.Server/GameTicking/GameTicker.Spawning.cs b/Content.Server/GameTicking/GameTicker.Spawning.cs
index 8af49e18db..6ec7fab1dc 100644
--- a/Content.Server/GameTicking/GameTicker.Spawning.cs
+++ b/Content.Server/GameTicking/GameTicker.Spawning.cs
@@ -25,7 +25,7 @@ namespace Content.Server.GameTicking
     {
         private const string ObserverPrototypeName = "MobObserver";
 
-        [ViewVariables(VVAccess.ReadWrite), Obsolete("Due for removal when observer spawning is refactored.")]
+        [ViewVariables(VVAccess.ReadWrite), Obsolete("Due for removal when observer spawning is refactored.")] // See also: MindComponent's OnShutdown shitcode
         private EntityCoordinates _spawnPoint;
 
         /// <summary>
@@ -280,7 +280,11 @@ namespace Content.Server.GameTicking
         #region Spawn Points
         public EntityCoordinates GetObserverSpawnPoint()
         {
-            var location = _spawnPoint;
+            // TODO rename this to TryGetObserverSpawnPoint to make it clear that the result might be invalid. Or at
+            // least try try more fallback values, like randomly spawning them in any available map or just creating a
+            // "we fucked up" map. Its better than dumping them into the void.
+
+            var location = _spawnPoint.IsValid(EntityManager) ? _spawnPoint : EntityCoordinates.Invalid;
 
             _possiblePositions.Clear();
 
diff --git a/Content.Server/GameTicking/Rules/NukeopsRuleSystem.cs b/Content.Server/GameTicking/Rules/NukeopsRuleSystem.cs
index 3ca27a4a46..bf748a9aa1 100644
--- a/Content.Server/GameTicking/Rules/NukeopsRuleSystem.cs
+++ b/Content.Server/GameTicking/Rules/NukeopsRuleSystem.cs
@@ -195,7 +195,7 @@ public sealed class NukeopsRuleSystem : GameRuleSystem
         var shuttlePath = "/Maps/infiltrator.yml";
         var mapId = _mapManager.CreateMap();
 
-        var (_, outpost) = _mapLoader.LoadBlueprint(mapId, "/Maps/nukieplanet.yml");
+        var (_, outpost) = _mapLoader.LoadGrid(mapId, "/Maps/nukieplanet.yml");
 
         if (outpost == null)
         {
@@ -204,7 +204,7 @@ public sealed class NukeopsRuleSystem : GameRuleSystem
         }
 
         // Listen I just don't want it to overlap.
-        var (_, shuttleId) = _mapLoader.LoadBlueprint(mapId, shuttlePath, new MapLoadOptions()
+        var (_, shuttleId) = _mapLoader.LoadGrid(mapId, shuttlePath, new MapLoadOptions()
         {
             Offset = Vector2.One * 1000f,
         });
diff --git a/Content.Server/GameTicking/Rules/PiratesRuleSystem.cs b/Content.Server/GameTicking/Rules/PiratesRuleSystem.cs
index 8cf8f2711a..55df00c3fd 100644
--- a/Content.Server/GameTicking/Rules/PiratesRuleSystem.cs
+++ b/Content.Server/GameTicking/Rules/PiratesRuleSystem.cs
@@ -155,7 +155,7 @@ public sealed class PiratesRuleSystem : GameRuleSystem
             aabb.Union(aabbs[i]);
         }
 
-        var (_, gridId) = _mapLoader.LoadBlueprint(GameTicker.DefaultMap, map, new MapLoadOptions
+        var (_, gridId) = _mapLoader.LoadGrid(GameTicker.DefaultMap, map, new MapLoadOptions
         {
             Offset = aabb.Center + MathF.Max(aabb.Height / 2f, aabb.Width / 2f) * 2.5f
         });
diff --git a/Content.Server/Mind/MindSystem.cs b/Content.Server/Mind/MindSystem.cs
index 423b5d0167..be7656a6b9 100644
--- a/Content.Server/Mind/MindSystem.cs
+++ b/Content.Server/Mind/MindSystem.cs
@@ -80,8 +80,11 @@ public sealed class MindSystem : EntitySystem
             }
             else if (mind.GhostOnShutdown)
             {
+                // Changing an entities parents while deleting is VERY sus. This WILL throw exceptions.
+                // TODO: just find the applicable spawn position dirctly without actually updating the transform's parent.
                 Transform(uid).AttachToGridOrMap();
                 var spawnPosition = Transform(uid).Coordinates;
+
                 // Use a regular timer here because the entity has probably been deleted.
                 Timer.Spawn(0, () =>
                 {
@@ -96,6 +99,13 @@ public sealed class MindSystem : EntitySystem
                         spawnPosition = _gameTicker.GetObserverSpawnPoint();
                     }
 
+                    // TODO refactor observer spawning.
+                    if (!spawnPosition.IsValid(EntityManager))
+                    {
+                        Logger.ErrorS("mind", $"Entity \"{ToPrettyString(uid)}\" for {mind.Mind?.CharacterName} was deleted, and no applicable spawn location is available.");
+                        return;
+                    }
+
                     var ghost = Spawn("MobObserver", spawnPosition);
                     var ghostComponent = Comp<GhostComponent>(ghost);
                     _ghostSystem.SetCanReturnToBody(ghostComponent, false);
diff --git a/Content.Server/Salvage/SalvageSystem.cs b/Content.Server/Salvage/SalvageSystem.cs
index ffbd630daf..103ee1b810 100644
--- a/Content.Server/Salvage/SalvageSystem.cs
+++ b/Content.Server/Salvage/SalvageSystem.cs
@@ -288,7 +288,7 @@ namespace Content.Server.Salvage
                 Offset = spl.Position
             };
 
-            var (_, salvageEntityId) = _mapLoader.LoadBlueprint(spl.MapId, map.MapPath.ToString(), opts);
+            var (_, salvageEntityId) = _mapLoader.LoadGrid(spl.MapId, map.MapPath.ToString(), opts);
             if (salvageEntityId == null)
             {
                 Report(component.Owner, component.SalvageChannel, "salvage-system-announcement-spawn-debris-disintegrated");
diff --git a/Content.Server/Shuttles/Systems/ShuttleSystem.EmergencyShuttle.cs b/Content.Server/Shuttles/Systems/ShuttleSystem.EmergencyShuttle.cs
index 547d218143..43885e6151 100644
--- a/Content.Server/Shuttles/Systems/ShuttleSystem.EmergencyShuttle.cs
+++ b/Content.Server/Shuttles/Systems/ShuttleSystem.EmergencyShuttle.cs
@@ -404,7 +404,7 @@ public sealed partial class ShuttleSystem
 
        if (!string.IsNullOrEmpty(centComPath))
        {
-           var (_, centcomm) = _loader.LoadBlueprint(_centComMap.Value, "/Maps/centcomm.yml");
+           var (_, centcomm) = _loader.LoadGrid(_centComMap.Value, "/Maps/centcomm.yml");
            _centCom = centcomm;
 
            if (_centCom != null)
@@ -426,7 +426,7 @@ public sealed partial class ShuttleSystem
        if (!_emergencyShuttleEnabled || _centComMap == null || component.EmergencyShuttle != null) return;
 
        // Load escape shuttle
-       var (_, shuttle) = _loader.LoadBlueprint(_centComMap.Value, component.EmergencyShuttlePath.ToString(), new MapLoadOptions()
+       var (_, shuttle) = _loader.LoadGrid(_centComMap.Value, component.EmergencyShuttlePath.ToString(), new MapLoadOptions()
        {
            // Should be far enough... right? I'm too lazy to bounds check CentCom rn.
            Offset = new Vector2(500f + _shuttleIndex, 0f)
diff --git a/Content.Shared/Interaction/SharedInteractionSystem.cs b/Content.Shared/Interaction/SharedInteractionSystem.cs
index c3800febc9..182b0ba84f 100644
--- a/Content.Shared/Interaction/SharedInteractionSystem.cs
+++ b/Content.Shared/Interaction/SharedInteractionSystem.cs
@@ -835,6 +835,13 @@ namespace Content.Shared.Interaction
                 return false;
             }
 
+            if (!Exists(userEntity))
+            {
+                Logger.WarningS("system.interaction",
+                    $"Client attempted interaction with a non-existent attached entity. Session={session},  entity={userEntity}");
+                return false;
+            }
+
             return true;
         }
     }
diff --git a/Resources/engineCommandPerms.yml b/Resources/engineCommandPerms.yml
index cc887175ae..e45db7182f 100644
--- a/Resources/engineCommandPerms.yml
+++ b/Resources/engineCommandPerms.yml
@@ -66,14 +66,14 @@
 - Flags: MAPPING
   Commands:
   - addmap
-  - loadbp
+  - loadgrid
   - loadmap
   - pausemap
   - querymappaused
   - rmgrid
   - rmmap
   - mapinit
-  - savebp
+  - savegrid
   - savemap
   - tpgrid
   - gridtc