We will be looking at the glimpse of the promised eternity for God's redeem.
Revelation 21:1
“And I saw a new heaven and a new earth: for the first heaven and the first earth...

The ending is portrayed especially in Revelation 20-22:

Satan, sin, and death are destroyed (Revelation 20:10, 14).
God's judgement is seen as just and true.
A new heaven and new earth are created (Revelation 21:1).
God dwells with His people forever (Revelation 21:3).
Sorrow, pain, and death are removed forever (Revelation 21:4).