Then don't be shocked if it's harder than it should be.
The "bomb" is given for a reason.
Well, if you take the bomb, then you'll also release ... the one who shouuldn't be mentioned without spoilers ...
And why do you release him, then ? To have to battle him lster ? For even more loot and even more experience points ?
No, I say, the plat HAS a reason why it gives the player the chance NOT to iuse the bomb ...