This spell causes an object to radiate darkness out to a
20-foot radius. Not even creatures who can normally see in the
dark (such as with darkvision) can see in an area shrouded in
magical darkness. Normal lights (torches, candles, lanterns, and
so forth) do not work, nor do light spells of lower level (flare,
light, dancing lights). Darkness and the 2nd-level spell daylight
cancel each other, leaving whatever light conditions normally
prevail in the overlapping areas of the spells. Higher-level
light spells (such as the 3rd-level cleric spell daylight) are
not affected by darkness.
If the spell is cast on a small object that is then placed
inside or under a lightproof covering, the spells effects
are blocked until the covering is removed.
Darkness counters or dispels any light spell of equal or lower