Cells uses a reaction to protect Sorgrimm (imposing disadvantage)
Rolls
R2 v Sorgrimm - (1d20+4, 1d8+2)
1d20+4 : (17) + 4 = 21
1d8+2 : (3) + 2 = 5
R5 v Xella - (1d20+4, 1d8+2)
1d20+4 : (12) + 4 = 16
1d8+2 : (3) + 2 = 5
R6 v Xella - (1d20+4, 1d8+2)
1d20+4 : (16) + 4 = 20
1d8+2 : (8) + 2 = 10
R7 v Sorgrimm - (1d20+4, 1d8+2)
1d20+4 : (2) + 4 = 6
1d8+2 : (7) + 2 = 9
R8 v Sorgrimm - (1d20+4, 1d8+2)
1d20+4 : (16) + 4 = 20
1d8+2 : (2) + 2 = 4
R2 disadvantage - (1d20+4)
(10) + 4 = 14