Wtf...

The three damage rolls against Mariah:
(2d6+4)[11]
(2d6+4)[8]
(2d6+4)[11]

The two against Gerrin:
(2d6+4)[12]
(2d6+4)[15]
And a crit confirm against him:
(1d20+11)[29] for (4d6+8)[21] extra damage.