Shinai, The unbeatable master of slug slinging had a fight in a hotel. The
Shane gang were passing and Eli meets her.Trixie mentions that she is the unbeatable master. She then leaves the hotel. The very same night, the gang talk about her and want to get some training from her. Eli was very eager that he left early in the morning to her home. He was surprised to see a lot of slingers who wanted to get trained. She helds a competitions in which a majority slingers were disqualified. But they refuse to leave. So she performs the legendary fusion shot using her slugs, Sonikin and Inkdevil and throws them out. She held a tournament and whoever wins gets trained from her. Twist comes in a disguise. Twist and Eli go to the finals. An hour before the finals, Eli talks with her that Twist shouldn't get trained from her. She tells a flashback that Will Shane and Blakk came to her. She trains he one who wins in the duel. Will wins and gets trained. Blakk become enemy to Will and starts experiments with Ghouls. Will could've known the secrets of slugterra even without her help. She feels guilty that Blakk turned evil because of her. When Eli and Twist were about to duel, Blakk interferes with some soldiers, a bull mecha and a new gattling blaster. Sinai duel Blakk, Eli duels Twist and the gang duels the soldiers. When Twist is defeated, he flees but disguises as Blakk and fights with Shinai. She defeats him using the fusion shot and the disguise wears off. Blakk kills her by shooting a Boon Death (Ghouled Boon Doc) at her on the back. Eli asks help from his Boon Doc but it was of no use. Eli uses his blaster and defeats Blakk by performing a fusion shot with Burpy and Joules. Blakk leaves the place while the gang feel sad about her death. Even her slugs also go with her.
