This is my first serious crack at homebrew, and I’m looking for more opinions on it. Are there any parts that people think are unbalanced or unwieldy? All suggestions and criticism on any aspect of the bloodline are welcome. Thanks in advance!
Bloodline Skill: Knowledge (engineering)
Bloodline Feats: Armor Proficiency (all), Craft Construct, Great Fortitude, Iron Will, Skill Focus (knowledge [engineering]), Toughness
Bloodline Spells: 3rd-magic weapon, 5th-chill/heat metal (chosen when gained, cannot be changed), 7th-greater magic weapon, 9th-rusting grasp, 11th-permanency, 13th-wall of iron, 15th-mage's sword, 17th-repel metal or stone, 19th-meteor swarm
Bloodline Arcana: +1 to attack with metal weapons
1st lvl-Razor Sharp (Su): touch a metal weapon as a standard action to grant keen for a number of rounds equal to half your sorcerer level (rounded down, min. 1), at 9th level can instead be wounding for half duration. You can use this ability a number of times per day equal to 3 + your Charisma modifier
3rd lvl-Mithral Grace (Ex): the sorcerer becomes more comfortable in metal armor, decrease the arcane spell failure chance of metal armor decreases by 10%, this decreases to 20% at 9th level, and 30% at 15th level
9th lvl-Ferrokinesis: as telekinesis, but only works on metals 1/day, increases to 2/day at 15th level and 3/day at 20th.
15th lvl-Metal Molding: treated as knowing all required spells for the purpose of creating metal constructs or magic items
20th lvl-Adamantine Toughness: DR 5/- stacks with adamantine armor
