My first gander at deep dwarves in
Dungeon Crawl Stone Soup waxed skeptical, but I've changed my mind:
Warning--the following represents a spoiler. If you wish to learn about the new race, Deep Dwarves, on your own, then stop reading now.
Here's the bottom line. Deep Dwarves are good at axes, armour, dodging, and shields, and make fine Berserkers. Why do you want your Deep Dwarf to be a Berserker? Well, Trog can heal a Deep Dwarf, which is essential, as Deep Dwarves lack all natural capacity for healing. I relied upon Trog's Regeneration ability until the final levels, when I resorted to my wands of healing.
This is one of the few cases where I had little recourse to my cheating mechanism. There was no need to cheat after acquiring such a fantastic set of armour and other enchantments:
My Dwarf began with a dangerously low Intelligence (2), so I opted to wear a
Ring of Sustain Abilities to prevent the Intelligence rating from dropping to zero, which is fatal. This ring allowed me to wear a powerful shield that deducts five points from Intelligence (if not wearing the ring). Later, I acquired a fantastic set of boots that increased Intelligence, although this wasn't of any use to a Berserker.
Because my style of play centers around melee, the crossbow proved superfluous. My dwarf obtained only level three in Crossbows. A Deep Dwarf need not master missile weapons. This is also true of other races, such as Demonspawn. Missile weapons apply in the main to Centaurs, Halfings and like creatures, but my Berserkers tend to prefer hiding behind walls and waiting for monsters to engage in close quarters, where a Berserker is deadly. Besides, in the case of Deep Dwarves, they excel at Evocations. Better to rely upon magical items and wands for ranged attack.
Even with only minimal resistance to Fire (+, not +++), this particular Deep Dwarf slew three Orbs of Fire in succession while they surrounded him. Grabbing the Orb of Zot was a cakewalk. I've never said that before. Take a look at the primary stats of this character just before his last move in the game:
What makes the Deep Dwarf race so special is that they are resistant to damage. I am not talking about armour aptitude. I am referring to a unique racial ability to instantly recover from small amounts of damage. If your armour class is high enough, then few monsters will be able to touch you in the end. The counterbalance to this is that Deep Dwarves cannot heal naturally.
If you can rely upon Trog for healing until you enter Zot, you are home free. Abstain from recharging your wand of healing until you descend into Zot. Bear in mind that Trog will abandon you in the end, because your need for healing will exceed his munificence. Also, avoid the Crypt, the Tomb, and the Hells, because Trog will abandon you in those regions. Trog only awards Piety for slaying the living, not the dead or demons. Therefore, you should avoid places where those foul creatures abound, if you want to conserve your wand of healing.
The ability of Deep Dwarves to recharge wands is fantastic and should not be underestimated. Most recharges should be reserved for your wand of healing and should only be used in the last few levels. This method of healing wounds proved invaluable in Zot, where I could recover all hit points within a few turns as opposed to resting and inviting new attacks from wandering monsters.
I appreciated the ability to Sense Surroundings. This permits a Deep Dwarf to discover every region of a map and is just as good as having a limitless supply of Scrolls of Mapping.
My verdict on Deep Dwarves as spellcasters is simple. No, and here's why: you burn a magic point each time you recharge a wand. A spellcaster would not exploit that ability very much, were he wise.
I am not familiar with the Goddess Evylion and cannot comment on the Healer class, as I've never played it, but I suspect Deep Dwarves were tailor-made for Evylion. She heals, from what I understand, which solves an essential problem for the Deep Dwarf, although Trog also supplies healing. I prefer Trog, but that's just me.
Another aspect I like about Deep Dwarves is that they can benefit from dwarven armament, as my character did, gaining racial bonuses for using them. A Deep Dwarf equipped with a vorpalized dwarven broad axe seems powerful indeed, even more powerful than Minotaurs I've known.
Compared to their kin, Mountain Dwarves, Deep Dwarves sacrifice aptitude for combat (armour, et cetera), but gain resistance to low levels of damage, the ability to Sense Surroundings, the ability to recharge wands, and at latter levels, resistance to negative energy (or at least my dwarf did). Also, they are superb at Evocations, which helps when using wands and other items. My suggestion is to abstain from missile weapons, rely upon Gods (Trog, Evylion, possibly others) for healing, and avoid spellcasting. Also, try using decks of cards to heal, because some decks have an Elixir card.
At this stage of development, I believe that Deep Dwarf Berserkers are more powerful than any other race/class combination.