Revelation 16:11

They blasphemed the God of heaven
Again they fail an opportunity to repent. With the same tongues they gnaw, they continue to blaspheme God. See commentary on Revelation 16:9. Because they are guilty of blasphemy, God will stone them. See commentary on Revelation 16:21.

their pains and their sores
The pains were inflicted by the fifth bowl (Rev. Rev. 16:10+) and the sores by the first bowl (Rev. Rev. 16:2+).

did not repent of their deeds
See commentary on Revelation 9:21.