forewarn.

Mark 13:23
So be on your guard; I have told you everything in advance.

1 Thessalonians 4:6
and no one should ever exploit or take advantage of his brother in this regard, because the Lord will avenge all such acts, as we have already told you and solemnly warned you.

Fear.

Proverbs 14:26
He who fears the LORD is secure in confidence, and his children shall have a place of refuge.

Jeremiah 5:22
Do you not fear Me? declares the LORD. Do you not tremble before Me, the One who set the sand as the boundary of the sea, an enduring barrier it cannot cross? The waves surge, but they cannot prevail. They roar but cannot cross it.

Jeremiah 10:7
Who would not fear You, O King of nations? This is Your due. For among all the wise men of the nations, and in all their kingdoms, there is none like You.

Revelation 14:7
He said in a loud voice, "Fear God and give Him glory, because the hour of His judgment has come. Worship the One who made the heavens and the earth and the sea and the springs of waters."

Revelation 15:4
Who will not fear You, O Lord, and glorify Your name? For You alone are holy. All nations will come and worship before You, for Your righteous acts have been revealed."

power.

Psalm 9:17
The wicked will return to Sheol--all the nations who forget God.

Matthew 10:28
Do not be afraid of those who kill the body but cannot kill the soul. Instead, fear the One who can destroy both soul and body in hell.

Matthew 25:41, 46
Then He will say to those on His left, 'Depart from Me, you who are cursed, into the eternal fire prepared for the devil and his angels. . . .

2 Peter 2:4
For if God did not spare the angels when they sinned, but cast them into hell, delivering them in chains to be held in gloomy darkness until their judgment;

Revelation 20:14
Then Death and Hades were thrown into the lake of fire. This is the second death--the lake of fire.