Sylvester Archipelago

Sarael, Tiberius, and Lucia enter the barracks of Cornut's humans. Twelve warriors with one-handed swords and pistols look at them in surprise and slowly begin to reach for their weapons.

[Ranger 1 hits Lucia and deals 20 damage (600/reflection)
Ranger 2 takes 20 damage (180)
Ranger 1 misses
Ranger 2 misses
Ranger 2 hits Lucia and deals 20 damage (580/reflection)
Ranger 6 takes 20 damage (180)
Ranger 3 misses
Ranger 3 hits Lucia and deals 20 damage (560/reflection)
Ranger 4 takes 20 damage (180)
Ranger 4 misses
Ranger 4 hits Lucia and deals 20*2=40 (crit.) damage (520/reflection)
Ranger 5 takes 40 damage (160)
Ranger 5 misses
Ranger 5 hits Lucia and deals 20*2=40 (crit.) damage (480/reflection)
Ranger 4 takes 40 damage (140)
Ranger 6 misses
Ranger 6 hits Lucia and deals 20 damage (460/reflection)
Ranger 6 takes 20 damage (160)
Ranger 7 hits Lucia and deals 20 damage (440/reflection)
Ranger 2 takes 20 damage (160)
Ranger 7 hits Lucia and deals 20 damage (420/reflection)
Ranger 3 takes 20 damage (180)
Ranger 8 misses
Ranger 8 misses
Ranger 9 hits Sarael and deals 40 damage (110)
Ranger 9 hits Lucia and deals 20 damage (400/reflection)
Ranger 3 takes 20 damage (160)
Ranger 10 misses
Ranger 10 hits Lucia and deals 20 damage (380/reflection)
Ranger 9 takes 20 damage (180)
Ranger 11 hits Sarael and deals 40 damage (70)
Ranger 11 hits Sarael and deals 40 damage (30)
Ranger 12 hits Sarael and deals 40 damage (death)
Ranger 12 hits Tiberius and deals 40 damage (death)
Lucia uses Cold Wave 3
Ranger 1 is frozen (3)
Ranger 2 is frozen (3)
Ranger 3 is frozen (3)
Ranger 4 is frozen (3)
Ranger 5 is frozen (3)
Ranger 6 is frozen (3)
Ranger 7 is frozen (3)
Ranger 8 is frozen (3)
Ranger 9 is frozen (3)
Ranger 10 is frozen (3)
Ranger 11 is frozen (3)
Ranger 12 is frozen (3)
Lucia uses Ice Storm
Ranger 1 takes 250 damage (death)
Ranger 2 takes 250 damage (death)
Ranger 3 takes 250 damage (death)
Ranger 4 takes 250 damage (death)
Ranger 5 takes 250 damage (death)
Ranger 6 takes 250 damage (death)
Ranger 7 takes 250 damage (death)
Ranger 8 takes 250 damage (death)
Ranger 9 takes 250 damage (death)
Ranger 10 takes 250 damage (death)
Ranger 11 takes 250 damage (death)
Ranger 12 takes 250 damage (death)
Tiberius rises from the dead and leaves in an unknown direction ]

Well, I already replied that it's 15. :o

But how is this possible?