Gandalf is canonically one of the most powerful beings in Middle‑earth, but he is heavily restricted and rarely shows his full strength on page or screen.

Who Gandalf Really Is

  • Gandalf is not “just” a wizard; he is a Maia, a lesser angelic spirit sent by the Valar (Middle‑earth’s godlike powers) to help oppose Sauron.
  • Because of this mission, he is bound to guide and inspire rather than dominate or rule, which is why his power often looks subtler than his true nature would allow.

Physical and Combat Power

  • Even as Gandalf the Grey, he can duel another Istari (Saruman) and battle the Balrog of Moria for days, eventually killing it, which places him well beyond any mortal warrior.
  • He shows superhuman endurance and durability, surviving a fall and prolonged battle with the Balrog and later standing unharmed amid heavy physical threats as Gandalf the White.

Magical Abilities

  • Gandalf specializes in fire and light : he can ignite and control flames, create blinding flashes and lightning‑like blasts, and use light to both illuminate and drive back evil beings like the Nazgûl.
  • He can unleash shockwaves strong enough to break stone structures (like the Bridge of Khazad‑dûm), repel missiles, and perform telekinetic‑style feats such as hurling foes back or breaking another wizard’s staff with a command.

Gandalf the Grey vs the White

  • Gandalf the Grey is already extremely strong but operates under tight self‑restraint, focusing on leadership, wisdom, and subtle interventions more than raw force.
  • Gandalf the White returns with his former limits relaxed: his defensive and offensive magic, speed of reaction, and resistance to harm all increase, to the point he can shatter Saruman’s staff and casually deflect attacks that would kill ordinary beings.

So… How Strong Is He?

  • In‑universe, among the “on the ground” characters, Gandalf the White is near the top tier of power, surpassed only by beings like Sauron or the higher Valar themselves.
  • Practically, his greatest “strength” is a mix of angelic nature, strategic wisdom, and moral authority: he changes the course of history less by flashy spells and more by moving hearts and decisions in the right direction.

Information gathered from public forums or data available on the internet and portrayed here.