How does AC work here?
 

My 53 with 890 AC tanks like he has 500 AC, does AC work differently on this server?

What's the point if i still get max hit all the time by light blues?

It doesn't work here. They smashed their face against the keyboard and came up with a magical algorithm where it does nothing.

To calculate if a hit succeeds you would take the AC of the target and subtract it from the attacker's THAC0, then roll a 20-sided die; if the die rolls equal to or higher than the calculated number, the attack hits.

THAC0 − AC = roll needed to hit.

You're welcome.

It works. Statements to the contrary are lies.

Is there a cap that it becomes better? I'm wearing 270k worth of gear and i'm still getting hit very hard