Dune
When does a Nexus occur?
The rulebook states this directly.
- Dune rulebook · Rulebook · Nexus
- DaveS · Community · 2024-08-15
- theDL · Community · 2020-07-15
- tempus42 · Community · 2020-07-15
Only when a Shai-Hulud card is revealed in the Spice Blow phase after the first turn. It resolves at the end of the phase, once even if several worm cards are turned over in a row. It can happen several turns in a row or not for a long stretch.