No one is trolling you. The Shiny Xerneas has a Classic Ribbon which prevents it from being traded through GTS and Wonder Trade. The one you obtained is hacked and isn't legal.

Except by quoting and replying to them, you aren't ignoring them.

And they aren't troll posts. When most of what you do in this thread is brag that you have shiny Pokemon don't be surprised when people call out their legitimacy.

Especially event only Pokemon.

An Event Zoroark is being given away right now for the US through Mystery Gift. It knows Sludge Bomb, a move Zoroark can't learn normally.

Neat~

At least this event is better then that crappy dragonite we got earlier this year

Too bad it probably can't breed that move.

Downloaded it, though i don't see myself using it all.

I think it's definitely worth using. It's like, the only damaging Poison type attack Zoroark can legally have (And a good one at that), so it can counter fairies; and Sludge Bomb is actually a rather common attack, so using it won't break it's Illusion (Usually).

http://www.serebii.net/anime/picture.../042/DP388.jpg
http://www.serebii.net/anime/picture.../042/DP372.jpg
...I legitimately never thought i'd see a face this intense in the Pokemon anime geez.