PLanar Focus of Subterfuge and other sneak attack items?

Does the set bonus stack with other items like Seal of Avithoul or Tharne's Goggles?

I assume you are referring to the exceptional sneak attack +5. That being the case, it will stack with the highest non-exceptional source of sneak attack you have. So, if you have that an a seal of house avithoul, you will get sneak attack +5 from the ring and exceptional sneak attack +5 from the trinket, but not the exceptional sneak attack +3 from the ring.

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Originally Posted by shadereaper33

I assume you are referring to the exceptional sneak attack +5. That being the case, it will stack with the highest non-exceptional source of sneak attack you have. So, if you have that an a seal of house avithoul, you will get sneak attack +5 from the ring and exceptional sneak attack +5 from the trinket, but not the exceptional sneak attack +3 from the ring.

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That's what I thought. Unfortunate.

Thanks.