Finally made a cake I had been dreaming about

Chocolate cake filled with with chunky chocolate and hazelnut butter, whipped cream, and pistachio cream; and covered in chocolate ganache.

I had been wanting to make this for more than a month but never found the time until now. It was absolutely everything I thought it would be 😋😋

I should've used a bigger piping tip for the decor, but I couldn't find it. I think if I made it again I would also try to work faster with the ganache to get smoother lines before it hardens. Any tips are appreciated!