Talk:Haunting Guise/@comment-203.51.167.22-20120518013236/@comment-70.145.127.152-20120518230147

Only reduction can make MR negative, and it's applied first.

So if they had less than 20 MR, then yes, you'd get them negative with just Abyssal.

If they had 20 - 69 MR (maybe a bit more with M-Pen Quints) Then they'd have flat 0 MR.

More than that they'd have 90% of (MR - 69)