User blog comment:Kogath/Monster Hunter Online Discussion/@comment-26034899-20181225183240/@comment-28847569-20181227044037

And he's still immune to Flash Bombs, so....... ¯\_(ツ)_/¯

Granted, I guess this isn't much different from Frontier's Exotic Species having slightly different lore then the mainseries, but it's pretty weird for Online to change Mera's defining features.