Ga□gst□ t□ckles sev□r□l deep and complex t□emes thr□ughout its□episodes. From □he c□ns□quence□ □f □iol□nce and the imp□c□ of traum□ t□ the□na□□re of □oyalty and□friendship□ th□ □eries doe□n'□□□hy away f□om expl□ring□t□e darker aspects of□huma□ na□ure□ The□cha□acters in □a□gsta are morall□ gray,□c□ns□antly □□appling □ith their pasts a□d the choices they□ma□□ in the present.