@ - I think I found the problem I was having since you already have a Ref to certain things in the parent the child can not make a ref to the same object. However now I am having an issue with creating walls. I have an area tile that is 4x4 This is my standard tile that will become visible (D&D Board Game Style) Because of the limitations of the how the Grid Manager Calculates the walkable area I build a preset of basic tiles that I put down over the entire grid. So I have a simple activation call on my tile that makes it visible or not. I also put a large Block over the tile to block movement into hidden tiles. I destroy the block when I make a tile visible. However even with the Height Impassible cut off set to 10 and the block being 100 units tall I still get an effect where while the decals do not show up the Pawn will run up on top of the blocks outside the area and if I click the bottom row I moved one row past the bottom. I am guessing this is because the camera angle make the click happen on the higher invisible surface. Any thoughts on How I can limit the walk able area to only the tiles I have made visible?