DMG).
You can note a creature's presence; determining the direction of the scent requires a move-equivalent action, and you can pinpoint the creature's location if you move to within 5 feet of it.
You can make a Wisdom check to find or follow a track by scent.
The typical DC for a fresh trail is 10.
Modifiers to the DC are listed in the DMG.
Water ruins the trail.
You can identify familiar odors just like you identify familiar sights.
However, an odor is not necessarily familiar to you if your only previous exposure to it was while you were not under the influence of horse's nose.
You only recognize odors that you could detect normally (without the aid of this spell).

" /> Spell - Horse's Nose
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Horse's Nose

(Oriental Adventures, DnD 3.0)


Transmutation


Level: ; Shugenja 2
Components: V, S
Casting Time: 1 action
Range: Personal
Target: You
Duration: 1 hour/level (D)

You gain the Scent special ability (fully described in Chapter 3 of the Dungeon Master's Guide).
You can detect approaching enemies, sniff out hidden foes, and track by sense of smell.
You can detect opponents by sense of smell within 30 feet.
If the opponent is upwind, the range is 60 feet; if it is downwind, the range is only 15 feet.
Strong and overpowering scents increase the range (as noted in the DMG).
You can note a creature's presence; determining the direction of the scent requires a move-equivalent action, and you can pinpoint the creature's location if you move to within 5 feet of it.
You can make a Wisdom check to find or follow a track by scent.
The typical DC for a fresh trail is 10.
Modifiers to the DC are listed in the DMG.
Water ruins the trail.
You can identify familiar odors just like you identify familiar sights.
However, an odor is not necessarily familiar to you if your only previous exposure to it was while you were not under the influence of horse's nose.
You only recognize odors that you could detect normally (without the aid of this spell).