[Horst F. JENS]

You have lots of different troop types and access to stealth armys.

Longbowmen are good against barbarians and other indys, but can't handle units with shields on their own.
You can produce knights in every castle and sacred elite knights (with magic weapons) in your capital.
Knights cost gold and resources, so take good scales (order, and no sloth).

You have no national access to fire magic (for flaming arrows) so if you want to use this spell, make sure your pretender has fire magic skill.

You have no access to death magic. If you want to use your national summons (stealthy, sacred dogs) make sure your pretender has death magic skill.

Your magic is very limited, only Bards (N1, stealth 30, spy, prec 11, banner) and the Mother of Avalon (A1N2, stealth 0, prec 12, sacred) is recruitable in every castle.
Study the possible spells those units can cast (like the infantry buffs in the previous posting) and make battle plans.

Heavy patrolling will detect even bards, so produce masses of bards and send them toward your foes before the war.

use creative tactics like cloud-trapezing crones with rings of the serpent and cast foul vapor.