A2 Grapple - Crit!
A3 Strike - Success (could be block with glass shield)
2 Bleed damage from Silene's crit - does not stop
Rolls
Grab Silene (DC 16) - (1d20+11)
(20) + 11 = 31
Attack Silene Longsword (AC17+1-2) - (1d20+12-5, 1d8+6)
1d20+12-5 : (16) + 7 = 23
1d8+6 : (4) + 6 = 10
Bleed Flat Check (DC15) - (1d20)
(10) = 10