f you ask me, this forum topic has come to appear more like a Mahāyāna inquiry into emptiness, nothingness, sunnyata: no experiencer? The same old questions about Nibbana come up. Who is it, apart from the pancakkhandhas, that experiences? The manomayakaya shorn of all that is positive and negative, with only what is neutral remaining
When reading it and your question I realized that after Nibbana is only Nibbana and this is how it is. One may not grasp it or make sense of it but after Nibbana there is only Nibbana. If you inquiry on it – it make really clear sense. In Nibbana there is only Nibbana