Directed shield? Or Beast guardian?

I am reluctant to answer as it may get one of these nerf

i tried using beast guardian against glutton train in nightmare mode.
i don't know if i did something wrong or it was not enhanced enough but i caught 4 metal projectiles with the face and got instantly murdered. the shard did nothing for me whereas the shield actually blocked them.
so the shield wins.

then i encountered Nightmare blodless and the shield was useless against red cyclone. it blocks the blood but Blodless is a bitch and decides to keep the cyclone alive until you run out of MP.
Beast guardian blocked the blood for 2 seconds then i got hit. ._.

the shield can be rotated and thats the best thing about it.
both are a hard and time consuming to upgrade but the shield knight can be found in multiple locations and pretty close to doors.
the stupid wolf is only found in the tower pretty damn far away from transition areas.

I made a very simple macro to function as one, actually.  I can press F8 to hold the button down, and F10 to release it.

Back to the main point, just go ham and use both.  Add Silver Knight, Welcome Party, and Shield Weapon(or something with a command parry) for extra laughs.