Castelus
Fractions of a second after brother Mikelus starts firing another bolter joins in. The librarian fires off a storm of Hellfire Rounds, knowing that the acid-filled bolt shells is one of the most effective things against a charging tyranid horde.
"Engaging on left flank." Castelus' voice is calm, but a hint of excitement can be heard in it.
"The Emperor is with us brothers. Show these foul creatures what it means to dare to threaten the Human Empire!"
Spoiler
Show
Full Auto Burst vs. the other (northern, I guess) horde.
(1d100)[54] vs 95 = WS 45 + 20 (Full Auto) + 30 (Horde)
Using Hellfire Rounds.
Damage, in case I actually hit. Maximum of four, so I roll all of them at once. (2d10)[2][10](12)
(2d10)[4][1](5)
(2d10)[7][5](12)
(2d10)[6][8](14)
Righteous Fury on 9 or 10, each hit deals one extra magnitude damage.
I think I've done it right, but I'm not sure, this is the first time I actually try combat with this system.
EDIT: That's four hits, and one Righteous Fury, rolling that one in the OOC.