one who has become a priest not on the basis of a regulation as to his ancestry but on the basis of the power of an indestructible life. - hevrews 7:17
When the perishable has been clothed with the imperishable, and the mortal with immortality - 1 cor 15:54
to those who by perseverance in doing good seek for glory and honor and immortality, eternal life; - Romans 2:7
Many other verses on immortality in new testament
So will it be with the resurrection of the dead. The body that is sown is perishable, it is raised imperishable - 1 cor 15:42
and into an inheritance that can never perish, spoil or fade. This inheritance is kept in heaven for you -1 peter 1:4
The jw's just aren't familiar with those verses because when they probably get to them they just say - it does not apply to me, it is for the anointed, and move on.