Difference between revisions of "Polyself bug"
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The '''polyself bug''' is a fairly serious flaw in the handling of a self-[[polymorph]] by an [[experience level]] 1 [[hero|character]]. It is [[Bugs in NetHack 3.4.3|listed]] as SC343-10: | The '''polyself bug''' is a fairly serious flaw in the handling of a self-[[polymorph]] by an [[experience level]] 1 [[hero|character]]. It is [[Bugs in NetHack 3.4.3|listed]] as SC343-10: | ||
SC343-10: Player can raise HP and Pw by dancing with vampires. | SC343-10: Player can raise HP and Pw by dancing with vampires. | ||
| − | In order to exploit this bug, a player would need to [[drain life]] themselves to reach XL 1, whether by the [[spellbook of drain life|spell]] or by the attack of e.g. a [[vampire]] or [[wraith]] (alluded to in the official description of | + | In order to exploit this bug, a player would need to [[drain life]] themselves to reach XL 1, whether by the [[spellbook of drain life|spell]] or by the attack of e.g. a [[vampire]] or [[wraith]] (alluded to in the official description of the bug). |
Once this is done, the act of self-polymorph has a chance of adjusting one's experience level. If it is set to higher than 1 when the player's starting level was 1, their hit points and power are approximately doubled, which is not offset by the act of draining this level; therefore by repeatedly polymorphing oneself and draining one's level back down to 1 afterwards hit points and power can be increased indefinitely. | Once this is done, the act of self-polymorph has a chance of adjusting one's experience level. If it is set to higher than 1 when the player's starting level was 1, their hit points and power are approximately doubled, which is not offset by the act of draining this level; therefore by repeatedly polymorphing oneself and draining one's level back down to 1 afterwards hit points and power can be increased indefinitely. | ||
Revision as of 21:20, 22 September 2006
The polyself bug is a fairly serious flaw in the handling of a self-polymorph by an experience level 1 character. It is listed as SC343-10:
SC343-10: Player can raise HP and Pw by dancing with vampires.
In order to exploit this bug, a player would need to drain life themselves to reach XL 1, whether by the spell or by the attack of e.g. a vampire or wraith (alluded to in the official description of the bug).
Once this is done, the act of self-polymorph has a chance of adjusting one's experience level. If it is set to higher than 1 when the player's starting level was 1, their hit points and power are approximately doubled, which is not offset by the act of draining this level; therefore by repeatedly polymorphing oneself and draining one's level back down to 1 afterwards hit points and power can be increased indefinitely.
The act of self-polymorph also has a chance of killing the player if their level drops below 1; therefore one would need a significant amount of amulets of life saving in order to obtain any significant amount of successful self-polymorphs. This is not trivial, and pudding farming is often used to acquire the necessary quantity.
