Quote Originally Posted by Lvl 2 Expert View Post
Walling Blissey is/was (some game design decisions lessened the issue a little I think) even "great" in Pokémon Go. No status moves, no abilities, no separate special defense stats, just its HP stat was enough to run out the clock and bore all opponents to death. Blissey is probably the best example of why walling can be so terrible.
That's true. Even so Blissey is still a good Pokemon.