Four 8×3 grids are presented, each accompanied by two letters with ellipsis between them. These are the first and last letters of the name of a module creator that you can use to take 4 modules from each row. This allows us to form four 4×3 grids.
The first letter of every unused module spells out APPLY THE ADJACENT LETTERS RULES OBTAIN BRAILLE LETTERS. Doing so spells out the solution.
L | M | T | X |
A | B | G | R |
O | C | K | T |
N | G | A | W |
Q | M | S | M |
F | I | E | L |
C | H | C | B |
Q | S | I | N |
W | M | S | O |
O | B | C | H |
R | F | L | B |
M | T | S | D |
DETONATE