Klaus was inside the cellar with Damon villain-bonding. Stefan and Damon restrain Alaric, and Klaus plunges his fingers into his heart, but Alaric manages to get free, break Stefan and Damon's necks and nearly drove his white oak stake through Klaus' heart. He killed all of the Five and undaggered his siblings, except for He was later seen again when they had managed to find the sword. Damon gave him a real answer: Damon is the bad guy to things get done, Klaus is a bad guy just to be a dick. Marcel answers with more questions asking "how are we in your home?" Elijah continues to fight Marcel but he takes one of Elijah's arms and bites him as Klaus watches.

Rebekah says that they are trying to make amends for their recent behavior and they found the clan of his father's bloodline. As vampire blood is not curing the poison Rebekah calls Klaus to ask how to save her, but Klaus refuses to help her. She tells him that even after all the pain that Klaus have put Elijah through, Elijah has always forgiven him, and so Klaus have to forgive Elijah. Klaus gets angry saying that if they stay at the compound, doing nothing, Lucien will: "...slides Rebekah's bitten corpse down the hall." Upon Mikael's request, Esther performed a spell, called When Niklaus made his first human kill, his werewolf gene was activated and he became a vampire and werewolf hybrid, thus revealing Esther's infidelity. Klaus watches with wide eyes and whispers, "Kol!" "He's all yours. When Klaus and Marcel later have a talk involving Thierry. I draw comfort knowing that she will protect you. He tells Marcel that he will make Rebekah watch Marcel die and Rebekah claims that it was her idea to call Mikael and he turns to her and is about to stab her with the blade, but Elijah arrives and turns the blade on him and he is once again under the effects of the blade. Silas est devenu le premier homme immortel en même temps que son grand amour et âme soeur, Amara. Either live a long human life with Rebekah and die; or become a vampire, but to stay away from Rebekah. Klaus says that he should let the man live to tell others about this, but decides he is already on a roll. Damon and Klaus, the latter of whom was infuriated by Stefan’s lack of communication. Their enemies swarm in from all sides and from top to bottom.

Niklaus Mikaelson That is the curse Klaus wants to break. He finds Marcel dying and tells Camille to find him somebody to give him blood. He shows her the night that Klaus is first seen in the present standing upon a balcony as Elijah appears behind him, telling him he has found out who is conspiring against him.

Later, Tyler shows up and tries to free her, but Klaus finds him before he can get Elena out of the house. The candles on the desk lights and Freya says it's a sign that a NOLA witch is trying to meddle with one of them.

Klaus tells him to stop harping on about the baby and Elijah vamp-speeds towards him, determined to knock some sense into him. He's full of himself, which is why when they spotted clueless Cami walking alone at night below. Even if he is cruel, we can see he still has a part of humanity which is shown when he's about to cry when he sees his dead half-brother (Kol), when he admits his love for Caroline or when Hayley is pregnant of their child and he's fighting for her safety. Klaus tries to convince Davina to switch sides.

Always and Forever (TO) Damon genuinely didn’t know. Klaus, meanwhile, freaked out and asked Damon what Stefan and Elena were planning. He wouldn't do that because Tyler tried to kill him, but yeah, Caroline's right, Klaus has tried to kill most of them. Kol called Klaus at that moment. But he found Aurora crying in the chapel, she told him that she killed her mother as she gave birth to her.

Elena reassures him that she is fine and that Elijah is with her, asking Stefan to trust her and let her do what she thinks best.

When she had asked to see Marcel, as she feared Klaus had killed him, Klaus sadistically revealed that he gave Marcel an ultimatum. Elijah asked Klaus to let him have this opportunity to feel and to love and Klaus refused.

And now he is living in their home, sleeping in their beds and the letter He is later on the phone with Rebekah while Josh is draining Max of vervain.

Later, Klaus and Elijah stand on the bank of the river just below the bridge by a little fire, with Klaus saying that the current took Marcel's body. Staked with a White Oak Stake (as an Original) Klaus has also shown to have matured greatly as he no longer uses the White Oak Dagger to put down his maternal half-siblings when he disagrees with them like before but instead settles things in a civil and sometimes violent matter.

Elijah said Klaus could outrun Silas if he had to, and that naturally made Klaus think of Katherine. If Klaus doesn't help them take out Marcel, Hayley dies. Damon may love Elena, Klaus said, but will Elena see that Stefan is the greater love when they find the cure? He was lost and alone. Elijah then says that he will go, but Klaus tells him that he moved Rebekah, saying he did not like the two of them sharing secrets. Played by Klaus speeds off and begins to search for Rebekah. He says to her that knowing about this world will only get her killed and then he compels her to leave New Orleans and forget everything she has learned about vampires.