Dragonblood Subtype: Frostblood half-orcs are of the dragonblood subtype (see page 4).
Endurance: Frostblood half-orcs have Endurance as a bonus feat. If a frostblood half-orc would later gain Endurance as a bonus feat, he can select any other feat for which he qualifies.
Orc Blood: For all effects related to race, a frostblood half-orc is considered an orc.
Resistance to Cold 10: Because their ancestors ingested the blood of great white dragons, all frostblood half-orcs are naturally resistant to damage from cold-based attacks.
Vulnerability to Fire: Frostblood half-orcs share the white dragon’s vulnerability to fire-based attacks.