In the story Percy Jackson the lightning thief chapter 22 what does Luke reveal about his feelings and actions?

In chapter 22 of the lightning thief, Luke reveals that he Luke serves Kronos and feels that the gods are a waste of space because when Percy goes for a walk to clear his mind

He finds Luke in the arena, slashing at straw dummies with a new sword: the Backbiter. The Backbiter is special because it can kill both humans and gods.

Luke suggests that they go into the woods and find some monsters to kill, just one last time before the summer is over.

Percy thinks it's a good idea.

They go into the woods, and Luke drinks a Coke out of a real Coke can (which is strange, because they don't have canned Coke at Camp Half-Blood). Where did Luke get these?

Luke throws his empty can in the stream.

He snaps his finger and a little fire erupts in the ground. From it a scorpion crawls out.

Percy realizes that Luke is the friend that will betray him, that is betraying him.

Luke intends to kill Percy with the scorpion and leave Camp Half-Blood for good.

As the scorpion crawls up his leg, Percy asks Luke a series of questions.

Percy realizes that Luke was the thief who stole the lightning bolt and the helm of darkness. Ares caught Luke, but Luke convinced Ares to let him go free, enticing him with visions of a war that would break out when these symbols of power were not returned to their rightful owners. Ares was greedy for war.

Luke serves Kronos and feels that the gods are a waste of space.

Therefore your answer is,

Luke serves Kronos and feels that the gods are a waste of space.