If there was no actual damage die - as in, it was simply a flat base, plus your strength mod, plus your rage bonus, then there is nothing *to* double, because crits only double your damage dice, not your modifiers.
You might be right, the die isn't shown. It's always a flat 1 on all my screenshots I've taken, unless I throw a handaxe. Would be a pity if it's not a coincidence.
I cannot tell from the tooltip, because Larian's tooltips and combat log don't actually give sufficient information
Do you know of a better source of data? I once tried to look for some sort of a mod or a plugin that would log all dice rolls made internally by game, but haven't found any.
