You cannot hear and suffer all of the usual penalties for being deafened. You gain a +10 competence bonus on all Linguistics checks to read lips.

Curse Skill: Perception.

Adaptive Feats: You gain the following feats at the indicated levels, even if you do not normally meet the prerequisites.
At 2nd level, you gain Eagle Eyes as a bonus feat.
At 8th level you gain Spring Attack as a bonus feat.
At 14th level you gain Bull Rush Strike as a bonus feat.
At 20th level you gain Deafening Critical as a bonus feat.

Discipline: You have mastered your curse and gain the following abilities.
At 4th level, you receive a +3 competence bonus on Perception checks that do not rely upon hearing, and the initiative penalty for being deaf is reduced to –2.
At 10th level, you gain scent and you do not suffer any penalty on initiative checks due to being deaf.
At 16th level, you gain tremorsense out to a range of 30 feet.

Revelations: Your curse grants you the following revelations.
At 7th level, you gain the Nature’s Whispers revelation from the Nature mystery.
At 15th level, you gain the Think On It revelation from the Lore mystery.