[Anikrahman1995]

Tobes brought up Kyurem-B's Specially defensive set. Okay I will add a fun calculation to that.
OK, so was doing some random calculations and found out that Max HP/Max Spdef+ Kyurem-B can counter the most common variant of Tornadus-T if SR is off the field(which isnt hard;its OU after all, not ubers-Giratina/Arceus Ghost)
Tornadus-T's Hurricane vs Specially Defensive Kyurem-B:
319 Atk vs 306 Def & 454 HP (120 Base Power): 177 - 208 (38.99% - 45.81%)
Tornadus-T's Superpower vs Kyurem-B:
237 Atk vs 236 Def & 454 HP (120 Base Power): 226 - 266 (49.78% - 58.59%)
Note: Superpower cannot 2hko because of the attack drop. Hurricane+Superpower cannot KO because of leftover's recovery
Kyurem-B's uninvested Fusion Bolt vs Tornadus-T:
372 Atk vs 196 Def & 299 HP (100 Base Power): 272 - 322 (90.97% - 107.69%)
This is a OHKO after Life Orb recoil. Kyurem-B can also use roost to regain a bit of health before KOing it back.
Another thing, its uninvested Outrage OHKOs Bulky Starmie.

Anyway, the only reason Kyurem-B isnt as good as it should be is because it doesnt have a physical Ice STAB. It's a lot like how Ho-Oh used to be before HGSS.....no Brave Bird(you could only KO Kyogre with Sky Attack; charge attack? Sound familiar, right Kyurem-B?). I am hoping for Icicle Spear in the next game. It used something like this in the NDS game; then again, the move Kyurem was using might have been Glaciate.