If by “stat inc” you were referring to the increased movement speed from the mount, I am not totally sure how noticable to movement increase is, but wether it is viable or not, I would probably say it is not, mainly because I am not sure if dragoon skills can be used while mounted. and I feel that If I were to get cataphract I would want to get at least circle 2 or 3, but if I were to get circle 1 I would probably max earth wave trot and impaler or steed charge, but I would probably do steed charge because I don’t really like impaler. As far as Cataphract vs doppel I t hink doppel wins my favor, I might try out a cataphract build later though.