Isildur is probably one of the most crucial characters in The Rings of Power, because he will later go on to cut the one ring from Sauron’s finger. His story is a precursor to the events of both the Hobbit and the Lord of the Rings, and his actions have both extraordinary benefits and terrible consequences for the War of the Ring.
In cutting the evil object from the dark lord, Isildur (alongside Elendil and Gil-galad) helps to win the Battle of the Last Alliance and banish Sauron from his physical form, a great triumph for Middle Earth. But then in giving in to the temptation of the ring, rather than destroying it, Isildur ensures that Sauron endures, and is able to rise again. It is this decision that reflects badly upon the race of men and their weaknesses. It is what makes Aragorn hesitant to take the throne of Gondor and reunite the peoples of the world, and it is what leaves the impossible task of sneaking through Mordor to Frodo and Sam.
Rings of Power: 5 Reasons Why Adar Can't Be Sauron
Already, within the Rings of Power, the audience can begin to see hints of Isildur’s downfall, of his less-than-wise choices, and of how his actions have repercussions for those around him. From the very first time that he appears on screen, he is clearly distracted, staring off into the distance and not doing what he is supposed to be doing.
Aboard the ship, mistakes can take a life in a split second, and not paying attention almost causes the death of one of his shipmates as the boy unloops the wrong rope and is swept off the deck into the air by the force of it. Luckily Isildur spots this at the last moment, and manages to avert the crisis by helping haul his friend back to the ground, but perhaps if he had been more present with
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