Supergirl S3E17

Things that happened:

• It is revealed that Lena has Kryptonite
• Kara faints due to the solar eclipse and enters the world killer realm.
• Kara asks James to check up on Lena to see if she has truly used all of the kryptonite.
• Alex gets a new gun
• Lena confesses that she knows how to make kryptonite.

Top Moments:

• The DEO sits down with Lena about Sam. Grace has fully changed into a world killer while Julia and Sam still have their human side in a different realm. A solar eclipse occurs.
• Brainy is going to use tech to allow Alex, Lena, and Kara to enter the world killer realm to talk to Sam and Julia. Sam and Julia are slowly forgetting themselves and start to write stuff down. 
• They discover that Grace has fully changed and they are running out of time before the total eclipse. They locate Julia and Sam in the world killer realm. James lies about checking L corp.
• They get to Sam and she is able to get a message out to the DEO. Winn gives Alex some upgraded gear. The world killers are waiting for them at their fortress of sanctuary. 
• A fight ensues as the total eclipse happens and Kara loses her powers. They are able to get through to Julia and Purity and Pestilence fight and they kill each other leaving reign.
• Mon-El and Imra celebrate the killing of Pestilence and stopping blight in the future. Kara apologizes for being upset about Lena having Kryptonite. James tells Lena that he is guardian.

Predictions:

• Ruby is going to be an important thing in the next few episodes as she might be the last thing keeping Sam from turning full reign
• The team is going to do their best to keep ruby safe and away from reign.

Next Episode: Reigh goes after ruby!