Definition of "charmed"

Draw forth thy ſword, thou mightie man at armes,Intending but to raiſe my charmed ſkin:And Ioue himſelfe will ſtretch his hand from heauen,To ward the blow, and ſhield me ſafe from harme, […]

c. 1587–1588, [Christopher Marlowe], Tamburlaine the Great. […] The First Part […], 2nd edition, part 1, London: […] [R. Robinson for] Richard Iones, […], published 1592; reprinted as Tamburlaine the Great (A Scolar Press Facsimile), Menston, Yorkshire, London: Scolar Press, 1973, (please specify the page)

‘That animal has a charmed life,’ he said; ‘but you can say this only of brutes in this country. No man - you apprehend me? - no man here bears a charmed life.’

1899 February, Joseph Conrad, “The Heart of Darkness”, in Blackwood’s Edinburgh Magazine, volume CLXV, number M, New York, N.Y.: The Leonard Scott Publishing Company, […], part I, page 218