as IcyMan28 said being forced to use no item is making acrobat an unappealing option; no leftovers means bulk up sets suffer from residual damage and even weak hits will suck your health away faster than you think not to mention that the impossibility of using a Life orb or Choice Band to Power up your STAB simply sucks. A Bulk Up Acrobat set would be cool if he would have recovery in form of Roost wich he sadly doesn't get. As it currently is a bulky set up Sweeping set wouldn't have the greatest success as he needs 2 or more bulk ups to compensate the lost power from being unable to utilize a Life Orb an the Bulk lost from being unable of having no recovery.
i agree with this!tornelos has neither the bulk neither the moves to abuse bulk up..and also his attack isn't so great even after one bulk up...
let's form a possible scenario:tornelos bulks up when the opponent switches to something that can handle tornelos...before the opponent can attack you,you bulk up again or attack with acrobat...either way most things can,even with boosts in defence,do around 30-35% with supereffective hits against u which is a lot when you consider that u have no means of recovery,hell not even leftovers,and you cannot kill them back 'cause you are bulking up not swords dancing...and also bulky waters with ice beam murder you as you don't have the power to muscle through them nor you have the sp.defence to handle special hits especially super effective ones...
a +1 bosst in a 115 attack stat is not so much to handle in this generation...if you want a bulky defensive booster there are far better choices that provide more power and more survivability(roobushin comes in mind,toxicroak in rain,reuniclus) and if you want a fast attacker that can hit hard,again better options come in mind(terakion,doryuuzu,landlos,lucario,dragon dancers and the list goes on).
i think that if tornelos got roost he would be a decent bulk upper but without it,he doesn't perform so well...
oh and i forgot to state the fact that sandstorm and sr are so prevailing that tornelos's job at bulk upping is even harder..!!
You're underestimating how hard a 110 base power non-side effect STAB that's really only resisted by Steel and Rock (Brick Break handles the common rock Tyranitar switch in) move actually hits, with or without Life Orb. And seriously, Life Orb would be dropping your hp even faster than you were before.
It's not meant to be bulky. But turning 1 hit koes into 2 and 2 into 3 is still helpful since you smash with Acrobat. You're using Bulk Up to raise your attack (sadly it does not have Swords Dance, Acrobat would be monstrous if it did) and it just has the side benefit of raising defense. I'd like to show how helpful +1 Bulk Up actually is even though Tornelos is still not the bulkiest thing around.
It turns (on the switch in)...
Choice Band Ice Shard Mamoswine into a 2 hit ko: (96.32-114.38% into 64.88-76.92%, only a small percentage chance of ohko with Stealth Rock)
Choice Band Scizor Bullet Punch ohko (if you switched into Stealth Rock earlier) into a 2 hit ko and non Choice Band Scizor's don't 2 hit ko without Stealth Rock.
Choice Band Azumarill Aqua Jet into a 3 hit ko intsead of a 2 hit ko.
And seriously, don't send Breloom or Roopushin in on Tornelos. That is stupid unless it has like less than 20% of it's health left or something.
Being one of the very few pokemon to outspeed Latias/Latios is quite something as well as Birijion, Terakion, and everything else slower that isn't carrying Choice Scarf or a weather poke.
You DON'T WANT CHOICE BAND on Tornelos. That is HORRIBLE FOR HIM. You CAN'T use Acrobat then and his other physical movepool options SUCK. And if you still have Flight Jewl, that ACTS as a Choice Band and lets you switch moves and continually use Acrobat. If you get +1 and STILL have Flight Jewl you can
ohko Latias/Latios for certain (Latios can be ohkoed after +1 with or without Jewl but Latias needs either +2 or +1 and Flight Jewl for Acrobat ohko)
ohko Scizor
have over 50% ohko on Vaporeon with Stealth Rock
2 hit ko Hippowdon
ohko standard non-scarf Garchomp
2 hit ko Suicune
ohko Terakion
Yeah, and that's with +1 and Jewl. Send it in on something it threatens out and steal Bulk Up on the switch and smash people. Simple as that really. It hits HARD.
And the threat of Choice Specs Hurricane is also strong so you can surprise people with +1 Acrobats which are way stronger than you think.
Again, it's not meant to be bulky and seriously, Bulk Up Toxicroak? That has less bulk than Tornelos. And it does have the power to 1-2 hit ko waters. The only water that threatens you is Life Orb Floatzel and Life Orb/Specs Starmie since they outspeed you