What are all of the legendaries in Pokemon black?

Answer 1

Victini can be a mystery gift, zekrom can be only in white unless you trade with someone, Reshiram you should know where to find him you can only face N on team plasma until you catch him, Colbalion you can find him in Mistailation Cave flash is recommended, Terrakion can be found at victory road, Virizion can be found at pinwheel forest, Kyyrem can be found at giant chasm, Thundurous can only be in Pokemon white you can trade with someone else, Tornadus is a roaming Pokemon just like thundurous but its only in black, Landourous can be found at abundant shrine but you need tornadus and thundurous with you, the last three are events and unknown of when it happens and where.

Answer 2

The legendaries are: Articuno, Zapdos, Moltres, Mewtwo, Mew, Raikou, Entei, Suicuine, Celebi, Latios, Latias, Kyogre, Groudon, Rayquaza, Regirock, Registeel, Regice, Regigigas, Uxie, Mesprit, Azelf, Palkia, Dialga, Giratina, Phione, Manaphy, Rotom, Darkrai, Crysellia, Shaymin, Arceus.

These are the new ones:

Victiny, Zekrom, Reshiram, Cobalion, Terrakion, Virizion, Landorus, Tornadus, Thunderus, Kyurem, Keldeo, Meloetta, Genesect.

Hope it helps!