The Dwarven racial tree is significantly overcosted on several vectors for the benefits received. The following changes should be implemented to increase the value add of this racial tree.

Shield Mastery
Change to 1 AP per rank.

Child of the Mountain - Changes as follows.
Tier 1 - Multiselector to add constitution to hit to for one of the Dwarven weapon groups.
Tier 2 - Gain proficiency with all Shields including Tower Shields.
Tier 3 - Gain +5% Quality bonus to HP.

Stand like Stone
Change to 1 rank ability which costs 2 AP that grants the benefits of the Tier 3 rank.

Dwarf Fortress
Change to 1 rank ability which costs 2 AP that grants the benefits of the Tier 3 rank.

Dwarven Runes
Tier 1 - Gain Master's Touch as an SLA and +1 to Spell saves
Tier 2 - Gain Enchant Weapon as an SLA and +1 to Spell saves
Tier 3 - Gain Enchant Armor as an SLA and +1 to Spell saves