Algerie is 10 vital, so that’s just a solid hit to sink her. Casabianca is 6 vital, so you missed it, and with run silent you got just the two sixes to cripple her.
Algerie sunk, Casabianca 1 crippled.
Casabianca 1 to Caio Duilio QHYW7AvM1d6 Casabianca 2 to Luca 1d6 Initiative 2d61d6·1d6·2d6