1 Head Death: RIGHT, I HAVE A MEETING WITH THE PARADOX GUYS. I EXPECT THIS CLEANED UP BY THE TIME I GET BACK.
2 Ishmael: How long will that take him?
3 Death of Inhaling Hatmaking Chemicals: 'ARD TO SAY, GUV. COULD BE 'OURS. OR DAYS.
4 Death of Insanely Overpowered Fireballs: OR, HE COULD RETURN BEFORE HE LEFT.

Returning before you leave is generally considered impolite behaviour in most social circles. I don't recommend it for anyone.

But the Deaths aren't beholden to normal cultural standards.

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2021-06-27 Rerun commentary: Honestly, I think if you have a meeting with the Paradox Department, expecting things to be cleaned up when you get back is just a teeny bit too hopeful.

And yes, Death of Inhaling Hatmaking Chemicals is so Cockney that he can even drop the 'h' on the word "hours". That was a deliberate joke when I first wrote this strip.