The egg move teacher doesn't show you the option to teach the move Confuse Ray to the pokemon Mantine.
It should be able to learn tho, according to bulbapedia: https://cdn.discordapp.com/attachments/583319953021861899/749026388564115476/unknown.png
Just updating my previous register.
I first registered on Gold server, but I play on Silver now, and I want to play the Summer Tour on Silver Server.
Please update the register, ty.