There are several ways to detect portals in Nethack. Portals count as a trap and can be found any way that a trap could be. This is most important on the Elementals, where speed is key. The usual methods are:
| Graph IRI | Count |
|---|---|
| http://dbkwik.webdatacommons.org | 5 |
![[RDF Data]](/fct/images/sw-rdf-blue.png)
