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Message: <blockquote data-quote="Raven Crowking" data-source="post: 3644930" data-attributes="member: 18280">Chameleon ArchThe Chameleon Arch is a device used by the Time Lords to rewrite their own biology, in order to better infiltrate and observe other cultures.  Programming the Chameleon Arch requires a DC 20 TARDIS Systems skill check.  The operator decides what species to become, where and when, and the TARDIS creates an assumed identity for the operator, downloading the necessary memories to make the identity seem real.  The TARDIS is able to sift historical data – including birth and death records – when doing this, so that the operator comes as close to presenting a believable identity as possible.When using the Chameleon Arch, the operator uses one of a set of innocuous-seeming objects, such as a pocket watch, to store his real memories and biodata extract.  A perceptual filter can be programmed so that the Time Lord doesn’t pay undue attention to this item.  In some cases of field research, the item would automatically release the Time Lord’s biodata after a set period of time had passed, recalling the Time Lord to his real identity when the planetary survey mission was over.  However, since most research TARDISes had multiple occupants, this wasn’t usually necessary (and, indeed, could cause problems if the Time Lord was not near his storage unit when his biodata was released).A Time Lord using the Chameleon Arch takes a –2 penalty to Endurance, Perception, and Personality and a –4 penalty to Knowledge and Psychic Potential.  He has a –2 penalty to Willpower saving throws and cannot use any Psychic Powers.  A Time Lord under the influence of a Chameleon Arch cannot Regenerate and cannot use his normal Temporal Sense.  He may still use his Minor Special Effect ability, but cannot use Deux Ex Machina.Post-regenerative Time Lords who use the Chameleon Arch lose their Binary Vascular System and Bypass Respiratory System.  They cannot perform a Burst of Energy and do not have Cold and Heat Damage Reduction.When the storage unit is opened, a creature holding the unit and using Telepathic Focus can extract information from the Time Lord’s biodata extract.  Any creature with Telepathic Reception within 100 yards can sense the opening of the item (although they might believe that they are sensing a Time Lord instead).  If the Time Lord holds the storage unit, he returns to normal (including the removal of all penalties caused by the Chameleon Arch) in a single turn.This technology relies upon the unique biological properties of Time Lords, and thus can only rewrite the biology and identity of Time Lords – any companions travelling with a Time Lord are not affected.  The Time Lord generally keeps enough residual awareness of his true identity to bring companions with him, but this awareness can fade over time.</blockquote>

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