She walks in beauty, like the night
Of cloudless climes and starry skies;
And all that’s best of dark and bright
Meet in her aspect and her eyes;. Multiverse: AU-crossovers-Book canon- Movie verse.
"As an implacable foe to his enemies, he is thus a formidable protector of his people, in particular his fellow warrior, Tauriel. Should any approach her with ill-intent, be they Orc or Dwarf, they do so at their peril."
— The Desolation of Smaug Visual Companion on Legolas (page 60)