What angers god most?

In The Bible we also see prophesies such as what is mentioned in the book of Zephaniah regarding the day of Jehovah. The special period of time, not 24 hours, when Jehovah actively manifests himself against his enemies and in behalf of his people. With divine judgment executed against the wicked, Jehovah comes off victorious over his opposers during this “day.” It is also a time of salvation and deliverance for the righteous, the day in which Jehovah himself is highly exalted as the Supreme One. This day is detailed in the Scriptures as a time of battle, a great and fear-inspiring day of darkness and burning anger, a day of fury, distress, anguish, desolation, and alarm.

The Prophet Zephaniah counsels: “Before the statute gives birth to anything, before the day has passed by just like chaff, before there comes upon you people the burning anger of Jehovah, before there comes upon you the day of Jehovah’s anger, seek Jehovah, all you meek ones of the earth, who have practiced His own judicial decision. Seek righteousness, seek meekness. Probably you may be concealed in the day of Jehovah’s anger.”​—(Zep. 2:2, 3) This day of Jehovah's anger will be when he destroys wicked people in Armageddon.

(New World Translation of the Holy Scriptures.