Giving Feats some love

Feats/draconic_constitution.txt

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+Draconic Constitution
+---------------------
+
+Preconditions: Adult or older true dragon, Ki-based casting (usually Monk levels)
+
+As an Adult dragon: Your Ki reserves are twice what is normally granted to you by your class.
+
+As an Ancient dragon: Your Ki reserves are unlimited.

Feats/fearsome_violence.txt

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+Fearsome Violence
+-----------------
+
+Source: Pathfinder
+Xref: https://www.d20pfsrd.com/bestiary/monster-listings/dragons/dragon-world/
+Preconditions: The "Frightful Presence" action
+
+Whenever you reduce a creature to 0HP (as a direct, intended consequence of one of your actions), increase the DC for your Frightful Presence action by 1. This bonus continues to stack per creature for the duration of the encounter. Any creature which witnesses this action is no longer immune to your Frightful Presence if they previously were.

Feats/hover.txt

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+Hover
+-----
+
+Source: 3.5e
+Xref: "Draconomicon: the Book of Dragons" p. 17
+Preconditions: Fly speed
+
+You may spend half or more of your move speed per turn hovering in place instead of flying forward.
+
+If your size is Huge or larger: the downdraft is considerable, equivalent to a Gust of Wind spell pointed straight down. The line is 30' long for Huge creatures, and 60' long for Gargantuan or larger.

Feats/tireless_flier.txt

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+Tireless Flier
+--------------
+
+Preconditions: Fly speed
+
+As long as you don't use more complex maneuvers (such as Hover or Wingover), you may consider flight to be "light activity" for the purposes of taking a short rest.

Feats/wingover.txt

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+Wingover
+--------
+
+Source: 3.5e
+Xref: "Draconomicon: the Book of Dragons" p. 17
+Preconditions: Fly speed, dragon-like body plan (fusiform, two lateral wings)
+
+Regardless of your maneuverability, you may spend only 10' of movement immediately reversing your heading. (The maneuver consists of torquing one's spine and "throwing" one wing over the torso, using the inertia to carry through the aileron roll--thus the name.) This can be done only once per move action, cannot be followed by any kind of ascent (only gliding), and cannot be in the same move action as a Hover maneuver.