[quote=@The Irish Tree]
[@KoL]

[img]http://blog-imgs-61.fc2.com/b/o/s/bosel/20131024013034aaa.jpg[/img]
[/quote]

If you can convince him to not go on a rampage seeking out oppressors and suiciding as he tries to fight every servant and master as soon as you summon him then indeed he is a good Berserker.