Don't charge into fight a mind flayer when 3/4 party members have -1 to +0 Intelligence saving throws.

Well on the one hand their are other characters still able to fight so they shouldnt....I mean they're not of any harm. Unless there's a cleric so maybe they would. But suppose they all go down..........what do the gnolls do? Eat them? Rob them? Sacrifice them in an overly elaborate ritual to Yeenoghu?That's the surest way to lose your players. You don't have monsters attack downed PC's to kill them. The gnolls can stuff their extra attack!
I'm passing here just to point that I had a pack of six zombies attacking a downed PC yesterday and nobody left my game. The poor elf druid just reincarnated as a halfling rogue.![]()
Well on the one hand their are other characters still able to fight so they shouldnt....I mean they're not of any harm. Unless there's a cleric so maybe they would. But suppose they all go down..........what do the gnolls do? Eat them? Rob them? Sacrifice them in an overly elaborate ritual to Yeenoghu?
There are some handy ideas in the DMG to discourage this. For example, there's the Lasting Injury table. One of the suggested options is to require a roll on the table any time someone drops to zero hit points. Most of the injuries are removed by any form of magical healing... but sooner or later a PC is going to lose an eye or a limb, which takes a 13th-level cleric to fix.But I don't think the real problem is that PCs are hard to kill. The problem I'm seeing is that a player with a character at 5 HP plays his character the same as he would at full health, because the risk to him is so minimal. With a life cleric in the party being knocked unconscious is barely an inconvenience.

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.