|Country of Birth||Turkey|
|Team||1907 Fenerbahçe Espor|
|Team||Start Date||End Date||Role|
Thaldrin started his career as an AD Carry for Team Turquality in its early days. In an unknown time period, Team Turquality's top lane slot has been left free by the former player and Thaldrin stepped in. He and his team competed in every single premier tournament , except 2013 Turkish Champions League Summer. He got swapped with LongB and started to play for Team Turquality RED. In 2013 Turkish Champions League Finals, they got matched with Team Turquality BLUE and lose.
After their lose to Dark Passage in finals, TT BLUE bring back Thaldrin once more, and eventually they were able to defeat Team Turquality RED for a spot at IEM Season VIII - Cologne. CLG defeated TT BLUE in a hard match, scoring 2-0. After IEM, TT BLUE's squad, along with Thaldrin, has been bought by Wild Fire e-Sports Club .
With Wild Fire, he reached the peak of his career. Scoring several MVP nominations, and been able to play in every single premier tournament in Turkey. But whatever he cannot show in tournaments was displayed in his SoloQ performance, being the one of the first Turkish players to reach Challenger in EUW.
- He likes to play Riven and Rengar in solo queue.
|2016-04-23||2016 International Wildcard Invitational||SuperMassive Esports 3:1 Hard Random|
|2016-04-03||TCL 2016 Winter Playoffs||SuperMassive Esports 3:1 Beşiktaş.OH|
|2015-11-29||International Wildcard All-Star 2015 5v5||Team Turkey 3 : 1 Team CIS|
|2015-08-08||2015 TCL Summer Playoffs||Beşiktaş 1 : 3 Dark Passage|
|2015-04-25||2015 International Wild Card Invitational||Beşiktaş 3 : 1 INTZ e-Sports Club|
|2015-04-04||2015 TCL Winter Playoffs||Beşiktaş 3 : 0 Dark Passage|
|2015-01-18||International Invitational Tournament 4||AH 3 : 0 HWA Gaming|
|2015-01-08||LoL Pro League Season II||AH 0 : 3 ThunderBot SPARTA|
- October 30th - Röportaj: Kartal'ı Uçuran Kaptan, Berke 'Thaldrin' Demir... (TR) with ZAYTUNG
- June 4th - Thaldrin Röportajı: "Yola çıkarken TBF hedefini koymuştuk. Hedefe ulaşacağımızdan eminiz." with LoLeSpor
- July 2nd - Thaldrin Röportajı: “Türk takımlarının zorlanacağı bir turnuva olmayacak.” with LoLeSpor