Alduin just says the Meteor shower shout. When at the wall, he shout the fire breath shout. There is a bit about "Hin sil fen nahkip bahloki."("Your soul will feed (my) hunger.") but not any foreknowledge that you're the dragonborn. Nust wo ni qiilaan fen kos duaan.Skyrim:Alduin

Alduin (lore page)
Health	2355-3405	Magicka
Stamina	80-380
Primary Skills	Archery, Block, One-handed, Sneak
Perks	Reduced Damage 0.5

Nature and identity. Nordic legends assert that Alduin is a god-like entity which destroyed the last world in order to begin the current one, in what is considered the creation of a new Kalpa.

Is Alduin good or bad : Alduin, also known as The World-Eater, is the Nordic God of Destruction and he serves as the unseen antagonist of The Elder Scrolls II: Daggerfall, The Elder Scrolls III: Morrowind and The Elder Scrolls IV: Oblivion before making his formal appearance as the main antagonist of The Elder Scrolls V: Skyrim.

Can you befriend Alduin

Certain named Dragons cannot be tamed (Alduin, Sahloknir, Paarthurnax, Durnehviir, and the Skeletal Dragon in Labyrinthian).

Can Alduin be killed : Yes. If you are doing a quest, you need to ground him using Dragonrend and keep him grounded while also attacking him between uses of Dragonrend.

Literally as old as time. He is, after all, a personified aspect of time, specifically the end of it. Why is Alduin so powerful

Lingering poisons are just as effective against Alduin as any other non-undead creature. These can be crafted or acquired from an alchemy shop in any town. Using poisons if very effective when using a bow from afar while a follower tanks Alduin's hits at melee range.

Is Alduin really evil

He is the eldest son of the main god in the series, Akatosh, the god of time, and his evil counterpart. He is also the elder brother of Paarthurnax, who was his chief lieutenant during the Dragon War but ended up betraying him and helped the mortals instead.With his health at an astonishing 3071, Vulthuryol is extremely strong, possibly stronger than Alduin himself. He dwells deep within Blackreach, the endless subterranean capital of the once-great Dwemer civilization.Alduin is a unique name of Old English origin. It comes from the Anglo-Saxon name Aldwin, and means "noble" or "wise friend." Though this name gives "speak 'friend' and enter" vibes, it's actually host to far more sinister connections.