Got two turns in, ran into the following
debugger invoked on a SB-FORMAT:FORMAT-ERROR in thread
#<THREAD tid=23528 "main thread" RUNNING {1100CD8003}>:
error in FORMAT: The argument to ~[ is not an integer: Charlie
ARTILLERY! ~A Sq: ~D casualt~@*~[ies~;y~:;ies~], +~DW.
^
Type HELP for debugger help, or (SB-EXT:EXIT) to exit from SBCL.
restarts (invokable by number or by possibly-abbreviated name):
0: [ABORT] Exit from the current thread.
(SB-FORMAT::FORMAT-ERROR-AT* "ARTILLERY! ~A Sq: ~D casualt~@*~[ies~;y~:;ies~], +~DW." 32 "The argument to ~~[ is not an integer: ~A" ("Charlie"))
0]