LOTR crossword puzzle only REAL fans will be able to solve!

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Across
  1. 3. an object of war, over 100 feet long, and 60 feet high
  2. 4. the war cry of the orcs besieging minas tirith in the third film
  3. 5. it may be used to smash open city gates
  4. 6. the warhammer of first dark lord
  5. 7. tolkien's greatest literary invention
  6. 8. the main dialogue of a certain, oft mourned reddit bot
Down
  1. 1. the bane of fingolfin?
  2. 2. something for spells of ruin to lay on?
  3. 3. an anagram of r/dong
  4. 4. a prominent siege engine deployed by Sauron in the third age
  5. 5. Gothmog's ace in the sleeve?
  6. 6. aka "The hammer of the underworld"
  7. 7. aka "the wolf's head"