The Grand Inquisitor dies at the end of Obi-Wan Kenobi episode 2 - or, at least, it's presumed he's dead - which itself is a massive Star Wars retcon.
One of the main villains of Disney+'s Obi-Wan Kenobi series was believed to be the Grand Inquisitor, the leader of Darth Vader's Jedi hunters,
the Inquisitorius, and someone who had become well known amongst Star Wars fans due to his previous appearances.
The Inquisitors have been around in Star Wars Legends for decades; in fact, they were introduced into the franchise before the prequels were even made.
But it wasn't until Star Wars Rebels in 2014 that they became part of Star Wars canon and took on a larger role within the Dark Times, serving Vader and the Empire.
Many Inquisitors were introduced in the series, such as the Grand Inquisitor and the Fifth Brother, both of whom appear in the first two episodes of Obi-Wan Kenobi, but apparently, one of them dies.
Killing the Grand Inquisitor would make Reva more difficult to stop, so plausibly, it makes sense to take him out of the running to capture Obi-Wan
Many characters in Star Wars canon have found themselves in worse situations only to survive and come back stronger