Is there any way to attain Expertise (i.e. a doubled proficiency bonus) with a Poisoner's Kit?

My character is a Rogue, so I have the proficiency already, but I want to have Expertise with this tool if possible.


1 Answer 1



An Aereni elf (WGtE, p. 73) chooses one skill or tool to gain double proficiency in at first level.

An Unearthed Arcana: Races of Eberron changeling (p. 2) can do similar, gaining double proficiency with a specific tool in a specific persona, as well as the Envoy Warforged (p. 9 ibid.) via a specific integrated tool.

An Eberron: Rising from the Last War changeling (p. 18) cannot, however, nor can the warforged (p. 36) in that source.

  • \$\begingroup\$ Thank you @Pleasestopbeingevil for letting me pick your brains - this is really helpful. \$\endgroup\$
    – Senmurv
    Jan 4, 2020 at 0:37
  • 4
    \$\begingroup\$ @NautArch: Originally, WotC never used "expertise" as a mechanical term, just as the name of the bard and rogue features that granted a doubled proficiency bonus in a skill or tool; other instances of doubled proficiency bonus simply referred to the doubled proficiency bonus itself. (The community did often use "expertise" like a mechanical term to refer to any source of doubled proficiency bonus nevertheless.) Then Xanathar's treated like it was a mechanical term when it used it in the Prodigy human racial feat and in the skill empowerment spell, repeating the definition alongside it. \$\endgroup\$
    – V2Blast
    Jan 4, 2020 at 6:41

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