What was the king's name (missing from the riddle),
but more interestingly, what was the king trying to hide?
Slay me now, and take a solemn vow,
Men can't say I might have died this way,
Thrust me through, and make it strong and true.
I'm a wreck, but long live the king __________.
HINT 1:
The kings name is more than one syllable.
HINT 2:
The riddle is in reference to an event described in an old famous book.
HINT 3:
The title contains an alliteration for his name:
Abysmal ________