Shiny Greavard Is Coming and Mega Sableye Hits Mega Level 4, Here's What You Need to Know
By Matt · Published Quick answer: Halloween Part 2 runs from 1 to 5 November. Shiny Greavard makes its debut, and Mega Sableye can reach Mega Level 4, unlocking the new charged attack Night Shade+.
What’s happening
- Shiny Greavard debuts, available in the wild, the GO Pass and Field Research tasks.
- Costume Rowlet and Gengar return in the wild.
- Mega Sableye reaches Mega Level 4, giving it Night Shade+.
When
Sunday 1 November to Thursday 5 November 2026.
What it means for you
Matt's take: Night Shade+ is a big boost for Mega Sableye, but it starts so far down the rankings that it still won't be a viable pick. Shiny Greavard is the real reason to play.
Get Matt's full take
The extended write-up on Patreon has Matt’s commentary, what to prioritise and his own plan.