Yes, I know, I have NOT GIVEN them type F poison. Huge spiders deal 15 points of damage instantly, if the save is failed.
I didn't say you did, but they have Type A poison, which does 15 hp damage after 15 minutes, not an instant 15 or nothing on a save. As you can't do a delayed onset, you should do a -1 hp per round for 15 rounds countdown, which is what BioWare did in the first place.
You see, I appreciate your mod and you've done a great job on a lot of the rules fixes etc, but I don't see why you changed the delayed onset poisons and then changed the spells and potions so that they could be exploited against poison Type F. Those spells and potions were never any use against Poison Type F unless you dis-envenomed the creature itself. Otherwise they only work on poison already in the body. If you are re-poisoned, there's no protection. If you do anything else, it’s not true 2nd edit AD&D. And, when the
Slow Poison duration expires, the poison is still there to kill you if it hasn't been
Neutralised. Same if you
Raise someone who dies from the poison. Save vs Poison/Paralysis/Death Magick, Fail! Die! Cast
Raise Dead, 1 hp, Save vs Poison/Paralysis/Death Magick, Fail! Die! And rest...
Leave Type A as it was, leave the spells and potions as they were and just make Type F poison do it's thing. Save or Die. You shouldn't stand toe-to-toe with a Giant spider, whacking it with a sword anyway. Not with the god-awful random number generator in BG I. You should run away, shoot a missile, fire a spell, run away etc.
Haste is always useful. But watch out for those webs.
For Ettercaps, lets say a mean onset time of 25 rounds and let it do 1 hp damage per 3 rounds for 24 rounds and then 1000 hp on the final round.
For Wyverns, Giants Spiders, Greater Basilisk Breath and Phase Spiders, do it just as you have, because that is the 2nd edit (and the First Edition) way.
I ask the following purely because I'm interested.
Wy can you not do a zero damage per round effect in one struct followed by a 1000 hp in the final round?
Do the Greater Basilisk and Phase Spider venoms have the +2 and -2 to Saving throws?
Does the Wraith Spider venom reduce CON by 1 point for 1d4+1 rounds, save each round?
Cheers!