Are both of these feats valid, or is the newer one supposed to replace the older one?
Character Operations Manual page 34:
Terrifying Presence:
Prerequisites:
Intimidating racial trait.
Benefit:
When you succeed at an Intimidate check to demoralize, the duration is 1d4 rounds longer than normal.
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Interstellar Species page 67:
Terrifying Presence:
Prerequisites: breath weapon species trait
Benefit: Whenever you deal damage with your breath weapon, all enemies that can perceive you must succeed at a Will save with a DC equal to 15 + your Charisma modifier or gain the frightened condition for 1 round.