Ch 13 (DMG)

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==Ch 13: Vision and Light==
* Vision and Light
* Effects of Light Sources
** Being Seen
** Creatures and Light Sources
* Light Tricks and Traps
* Infravision
** Standard Infravision
** Optional Infravision
* Other Forms of Sight
* Darkness
** Table 72: Optional Degrees of Darkness
* Invisibility
** Detecting Invisible Creatures