Image via Riot GamesThe first set of quarterfinals for the League of Legends Spring 2021 LCS Lock-In has concluded with Coud9 and 100Thieves securing their spot in the semifinals. Thank you for watching the 2021 #LCS Lock In Group Stage! We return tomorrow at 12:30PM PT / 9:30PM CET with LCS Countdown!Saturday:@100Thieves vs @Immortals @Cloud9 vs @TSM Sunday: @EvilGeniuses vs @GoldenGuardians @TeamLiquidLoL vs @FlyQuest pic.twitter.com/SGA8bh11Qo— LCS (@LCSOfficial) January 23, 2021With the best LCS squads going head-to-head in a best-of-3 format, many North American League of Legends fans felt that the quarterfinals' competition would be fierce.However, even though the second match between Cloud9 and TSM was close, the one between 100Thieves and Immortals was not.100Thieves swept Immortals in one of the bloodiest series in LCS history.100Thieves 2-0 Immortals in League of Legends Spring 2021 LCS Lock-In quarterfinals.@100Thieves complete the sweep against @Immortals and will advance to the 2021 #LCS Lock In Semifinals! #100WIN #LCS pic.twitter.com/51W1MSe3SQ— LCS (@LCSOfficial) January 23, 2021There were a total of 63 kills clocked in throughout the series. 100Thieves won the first game with 13 kills and the second one with 32 kills. Two recent roster additions of 100Thieves - Ian “FBI” Huang (ADC) and Can “Closer” Çelik (Jungler) - stole the show.Even though FBI had higher KDA, Closer was awarded the player of the series.Congratulations to @closerlol on being named Player of the Series for the 2021 #LCS Lock In Quarterfinals series between @100Thieves and @Immortals! #100WIN pic.twitter.com/t8JGFS62mE— LCS (@LCSOfficial) January 23, 2021Closer's contributions with Nidalee in Game 1 and Graves in Game 2 gave the roster a much-needed edge over Immortals.Cloud9 2-1 TSM in League of Legends Spring 2021 LCS Lock-In quarterfinalsA huge team fight breaks out in the jungle, and @Cloud9 gain the advantage and push into the @TSM base for the series victory! #C9WIN #LCS pic.twitter.com/6UNA1VUXyH— LCS (@LCSOfficial) January 24, 2021Cloud9 were the heavy favorites going into the second match of the League of Legends Spring 2021 LCS Lock-In quarterfinals. They had a much higher seed than TSM, with fans expecting Cloud9 to beat the newly formed opposing roster 2-0.However, the narrative turned out to be quite different than expected. TSM won Game 1 with a strong performance by Heo “Huni” Seung-hoon (Top Laner) and Mingyi "Spica" Lu (Top Laner).In Game 2, Could9 started strong with their ADC Jesper "Zven” Svenningsen going 10/0/3 on his Kai’Sa. TSM was stomped out.The third game was close. A constant back-and-forth happened between the teams. But Cloud9 finally pulled away and snatched the baron, effectively claiming victory.Congratulations to @Zven on being named Player of the Series for the 2021 #LCS Lock In Quarterfinals series between @Cloud9 and @TSM! #C9WIN pic.twitter.com/FYb9nxrOGE— LCS (@LCSOfficial) January 24, 2021Zven was awarded the player of the series for his incredible performance and KDA.The second half of the League of Legends Spring 2021 LCS Lock-In quarterfinals kicks off today - January 24th - with Evil Geniuses going up against Golden Guardians and Team Liquid facing Flyquest.Thank you for watching! We return tomorrow at 12:30PM PT / 9:30PM CET with LCS Countdown followed by @EvilGeniuses vs @GoldenGuardians at 1PM PT / 10PM CET and then @TeamLiquidLoL vs @FlyQuest! #LCS pic.twitter.com/Ms3EDcGCjT— LCS (@LCSOfficial) January 24, 2021The winners of today’s matches will be facing off against Cloud9 and 100Thieves in the semifinals.