Well, I've checked Wikipedia, and it says this about exposure to sarin: "Ultimately, the victim becomes comatose and suffocates in a series of convulsive spasms".
So, you could paraphrase that and say that sarin makes you choke to death. And that's exactly what Serena does to her opponents, hence the nickname: Sarin.
You know what inspector "Dirty" Harry Callahan has to say about them...
Exceed only by Danielle Anotaxfa, or however you spell it.
Pass the duct tape and super glue. Lena's done broke my heart one last time.
Onward my LOB! Lena (ret.) Vika Vee Caro Alexa Sabs Wicky Lesia Vania BMS Ekat Andi H. Jo-La Lena V KP2 Lil Bit Kiki Mini Mak Baby Veronika Lucie Cornelia
V Squad, The LOB Elite: Vika, Venus and the Mad Viking of Norrland
Jo-La Duchess of Norrland and Bastad
Elena Viatcheslavovna Dementieva--Eternal Goddess of the Divine Bangs