the seeming immortality of our heroes
seeming
/ˈsē-miŋ/
noun
external appearance as distinguished from true character : look
adjective
outwardly or superficially evident but not true or real
apparent illusory seeming ostensible mean not actually being what appearance indicates. apparent suggests appearance to unaided senses that may or may not be borne out by more rigorous examination or greater knowledge. illusory implies a false impression based on deceptive resemblance or faulty observation, or influenced by emotions that prevent a clear view.
verb
to appear to the observation or understanding
to give the impression of being