When is your attack rating "too much" ?

[Akimbo]

Okay so I wandered into Demonis and picked up Xeona as a wife instead of Zombie Rina. Now I have the following equipped:

2 x Dragon Slayer swords ( haha yeah, after no good weapons for ages I get two of these )
Elven Bow
Sword of Light
Telescopic Sight
Dead Skull

I'm using three units of archers:

Skeleton Archers ( Oh how I love them. )
Elven Archers
Hunters

Now I'm only playing on normal, but the "hover over" on attack says the max bonus is 300%, well my Hunters have an attack of 80 now. Is this overkill? I mean I don't think anything has a defense high enough to need that much attack right? Which means I could drop a weapon and take up a shield for more defense.

My hero has 33 attack right now ( +3 to archers from bow and +100% from Telescopic Sight ) and only 18 defense. Will this really cause any problems? I really should go sort my equipment out and see what other options I have.... Any advice is welcomed ^^