Zappo said:What Tatsukun said. You can make a light-armor character with the same AC as a heavy-armor character, but he won't be able to deal as much damage or he won't have nearly as many hit points, due to either low STR or low CON.
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Most - heck, all - DMs I've played with would let you reroll two sets and choose the best, or reroll one low stat, or let you rearrange points, or simply cave in to a whining player that hasn't got his 17 or 18 he "absolutely needs or he'll be useless". Those practices, of course, make "4d6DL" characters much stronger than 25 PB.
Zappo said:As for the point buy value of 4d6 drop lowest, it is somewhere between 29 and 30 IIRC. This is balanced by the fact that with random rolls you're going to get inefficiencies, such as odd stats that you have no use for. A 17 which you aren't going to raise to 18 at 4th, or having no stat under 10 but also no stat over 14.
Overall, I find that 4d6 drop lowest characters and 25 PB characters are about equal in strength.
Naturally, that's assuming that you use the 4d6DL to the letter, no exceptions save for "worthless characters" as defined in the PHB. Most - heck, all - DMs I've played with would let you reroll two sets and choose the best, or reroll one low stat, or let you rearrange points, or simply cave in to a whining player that hasn't got his 17 or 18 he "absolutely needs or he'll be useless". Those practices, of course, make "4d6DL" characters much stronger than 25 PB.
Celebrim said:In my opinion, the drawbacks of platemail out wiegh its advantages to adventurers.

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