Revelation 6:5

6:5 Then when the Lamb opened the third seal I heard the third living creature saying, “Come!” So I looked, and here came a black horse! The one who rode it had a balance scale in his hand.

Revelation 6:9

6:9 Now when the Lamb opened the fifth seal, I saw under the altar the souls of those who had been violently killed because of the word of God and because of the testimony they had given.

Revelation 6:12

6:12 Then I looked when the Lamb opened the sixth seal, and a huge earthquake took place; the sun became as black as sackcloth made of hair, and the full moon became blood red;