A blocked player cannot:
Send you Neomails
Send you Neofriend requests
Send you NP or NC items
Access your user lookup
See your Neoboard topics or replies
Transfer pets to you
Interact with your auctions
Interact with you trading post lots
Access your shop
Send you guild invitations
Interact with your contest submissions
View your NC Mall album
View your wishlist
View your gallery
Please note that you cannot interact with someone you’ve blocked in these ways as well.