BUR #3134 has been approved by @evazion.
mass update raiden_mei_(herrscher_of_lightning) -> raiden_mei_(herrscher_of_thunder)
"Herrscher of Thunder" is the official name for this version of Mei. It's a character tag.
EDIT: The bulk update request #3134 (forum #170374) has been approved by @evazion.
Updated by DanbooruBot