Revelation of Jesus Christ
From the KJV 1611 with Strong's Concordance
G1510
εἰμί
eimi
{i-mee'}
First person singular present indicative; a prolonged form of a primary and defective verb; I exist (used only when emphatic).
NOTE: Used widely throughout the New Testament (below are the usages from Revelation only).
am
Revelation 1:8, 11, 17, 18; 2:23; 3:17; 18:7; 19:10; 21:6; 22:9, 13, 16.