hey there! just thought I'd let you know that it's against the rules of the forum to post in a thread that's had no replies for more than a month. given that this one's been inactive for more than a year, i'd say you're well over the limit :/ as for your check to landorus-t, it has a lot of issues with beating this pokemon for a number of reasons:
- jolly landorus-t actually outspeeds modest volcarona, as do choice scarf landorus variants;
- pretty much every landorus runs a rock move or some description, with even the weakest ones being able to pick up a one-hit KO (252 Atk Landorus-T Smack Down vs. 4 HP / 0 Def Volcarona: 176-208 (109.3 - 129.1%));
- 252+ SpA Volcarona Hidden Power Ice vs. 4 HP / 0 SpD Assault Vest Landorus-T: 128-152 (77.5 - 92.1%).
it can beat variants that don't run jolly, or choice scarf, or assault vest, but the vast majority of landorus have one or more of these traits. defensive landorus variants like the rocky helmet sets seen in ou have little to no presence in battle spot due to the lesser importance of stealth rock in 3v3.