Artist, illustrator. Formerly tagged as Sakumo.
Nickname: さくも or 狭雲 (Sakumo)
Site name: KARATAMA (からたま)
This artist seems to be Sakumo's Elsword-themed account:
Nickname: タニン (Tanin)
Site name: えるそ便り
https://www.pixiv.net/users/7889255
https://www.pixiv.net/stacc/karatama38
https://twitter.com/karatama56
https://twitter.com/intent/user?user_id=152152776
https://pawoo.net/@sakumo
https://pawoo.net/web/accounts/95472
https://sketch.pixiv.net/@karatama38
https://www.tinami.com/creator/profile/16882
https://karatama56.tumblr.com
http://blog.livedoor.jp/motogorou/
https://www.pixiv.net/users/10345
https://www.pixiv.net/users/813228
https://www.pixiv.net/stacc/aruto505
https://www.pixiv.net/stacc/tamut532
http://p.twipple.jp/user/karatama56
http://twitpic.com/photos/karatama56
http://twitpic.com/photos/tanin96