Well done!~
So here's the full solved riddle:
1.
Ithil Thing that starts a sword's harmless touch comes out at night.
2.
Lhun Final journey begins here.
3.
Boromir With my little brother I shared a jewel but not a passion.
4.
Brandybuck Spirits pay off for him.
5.
Silent Watchers Muted malice broken by a bright memory
6.
Angband Hellish way to contain a musical ensemble
The Password is THORIN.
Nilpaurion Felagund will be serving the next one.