Revelation 11:6

These have power to shut heaven, so that no rain falls in the days of their prophecy; and they have power over waters to turn them to blood, and to strike the earth with all plagues, as often as they desire.

 

Exodus 7:19-20 ….And all the waters that were in the river were turned to blood.

John 1:12  But as many as received Him, to them He gave power to become children of God, to those who believe in His name.

Revelation 11:5

And if anyone wants to harm them, fire proceeds from their mouth and devours their enemies.  And if anyone wants to harm them, he must be killed in this manner.

 

Numbers 16:35  And a fire came out from the LORD and consumed the two hundred and fifty men who were offering incense.

Acts 28:5  But he shook off the creature into the fire and suffered no harm.

Revelation 11:4

These are the two olive trees and the two lampstands standing before the God of the earth.

 

Psalm 52:8  But I am like a green olive tree in the house of God, I trust in the mercy of God forever and ever.