Cleon
Legend
I don't recall doing that. Con damage plus something based on symbol of pain again? Or Con plus a condition that denies you Dex to AC?
We could modify the scorpionfish or fish-scorpion's poison. They seem pretty similar:
Scorpionfish
Poison (Ex): Injury (spines), Fortitude DC 11; initial damage agonizing pain equal to a symbol of pain (-4 penalty on attack rolls, skill checks, and ability checks) for 2d6 minutes; secondary damage agonizing pain for 1d4 hours plus 1d4 Con damage. The save DC is Constitution-based.
Fish-Scorpion
Poison (Ex): Injury (spines or sting), Fortitude DC 13; initial damage agonizing pain (-4 penalty on attack rolls, skill checks, and ability checks) for 2d6 minutes plus 1d3 Con damage; secondary damage agonizing pain for 1d4 hours plus 1 Con damage. The save DC is Constitution-based.
So, something like:
Scathe Poison (Ex) #1: Injury (bite), Fortitude DC 16; initial damage distracting pain (-1 penalty on attack rolls, skill checks, and ability checks) for 1d6 minutes plus 1d3 Con damage; secondary damage severe pain (-2 penalty on attack rolls, skill checks, and ability checks) for 5d4 minutes plus 1d3 Con damage. The save DC is Constitution-based.
The original description says the poison denies Dexterity bonuses, but making them flat-footed for the duration seems unduly harsh. How about a penalty to AC?
Scathe Poison (Ex) #2: Injury (bite), Fortitude DC 16; initial damage distracting pain (-1 penalty on attack rolls, armor class, skill checks, and ability checks) for 1d6 minutes plus 1d3 Con damage; secondary damage severe pain (-2 penalty on attack rolls, armor class, skill checks, and ability checks) for 5d4 minutes plus 1d3 Con damage. The save DC is Constitution-based.
Do we want to include something to reflect the way two -1 pain penalties add to a -2 penalty in the original? Adding "The pain penalties from multiple scathe poison attacks stack, to a maximum of X." would seem to cover it, with X = -2 if we use the original penalty, or X = -4 if we use the scorpionfish's?
Scathe Poison (Ex) #3: Injury (bite), Fortitude DC 16; initial damage distracting pain (-1 penalty on attack rolls, armor class, skill checks, and ability checks) for 1d6 minutes plus 1d3 Con damage; secondary damage severe pain (-2 penalty on attack rolls, armor class, skill checks, and ability checks) for 5d4 minutes plus 1d3 Con damage. The pain penalties from multiple scathe poison attacks stack, to a maximum of -4. The save DC is Constitution-based.