For the sake of transparency, this is as much unofficial fan content permited under the Fan Content Policy as it is OGL content. The licence of the OGL follows:

Legal Information Permission  to  copy,  modify  and  distribute  the  files   collectively  known  as  the  System  Reference   Document  5.1  (“SRD5”)  is  granted  solely  through  the   use  of  the  Open  Gaming  License,  Version  1.0a.

OPEN  GAME  LICENSE  Version  1.0a       The  following  text  is  the  property  of  Wizards  of  the   Coast,  Inc.  and  is  Copyright  2000  Wizards  of  the   Coast,  Inc  (“Wizards”).  All  Rights  Reserved.

1.  Definitions:  (a)”Contributors”  means  the   copyright  and/or  trademark  owners  who  have   contributed  Open  Game  Content;  (b)”Derivative   Material”  means  copyrighted  material  including   derivative  works  and  translations  (including  into   other  computer  languages),  potation,  modification,   correction,  addition,  extension,  upgrade,   improvement,  compilation,  abridgment  or  other   form  in  which  an  existing  work  may  be  recast,   transformed  or  adapted;  (c)  “Distribute”  means  to   reproduce,  license,  rent,  lease,  sell,  broadcast,   publicly  display,  transmit  or  otherwise  distribute;   (d)”Open  Game  Content”  means  the  game  mechanic   and  includes  the  methods,  procedures,  processes   and  routines  to  the  extent  such  content  does  not   embody  the  Product  Identity  and  is  an  enhancement   over  the  prior  art  and  any  additional  content  clearly   identified  as  Open  Game  Content  by  the  Contributor,   and  means  any  work  covered  by  this  License,   including  translations  and  derivative  works  under   copyright  law,  but  specifically  excludes  Product   Identity.  (e)  “Product  Identity”  means  product  and   product  line  names,  logos  and  identifying  marks   including  trade  dress;  artifacts;  creatures  characters;   stories,  storylines,  plots,  thematic  elements,  dialogue,   incidents,  language,  artwork,  symbols,  designs,   depictions,  likenesses,  formats,  poses,  concepts,   themes  and  graphic,  photographic  and  other  visual   or  audio  representations;  names  and  descriptions  of   characters,  spells,  enchantments,  personalities,   teams,  personas,  likenesses  and  special  abilities;   places,  locations,  environments,  creatures,   equipment,  magical  or  supernatural  abilities  or   effects,  logos,  symbols,  or  graphic  designs;  and  any   other  trademark  or  registered  trademark  clearly   identified  as  Product  identity  by  the  owner  of  the   Product  Identity,  and  which  specifically  excludes  the   Open  Game  Content;  (f)  “Trademark”  means  the   logos,  names,  mark,  sign,  motto,  designs  that  are   used  by  a  Contributor  to  identify  itself  or  its   products  or  the  associated  products  contributed  to   the  Open  Game  License  by  the  Contributor  (g)  “Use”,   “Used”  or  “Using”  means  to  use,  Distribute,  copy,  edit,   format,  modify,  translate  and  otherwise  create   Derivative  Material  of  Open  Game  Content.  (h)  “You”   Not  for  resale.  Permission  granted  to  print  or  photocopy  this  document  for  personal  use  only.     System  Reference  Document  5.1   2   or  “Your”  means  the  licensee  in  terms  of  this   agreement.

2.  The  License:  This  License  applies  to  any  Open   Game  Content  that  contains  a  notice  indicating  that   the  Open  Game  Content  may  only  be  Used  under  and   in  terms  of  this  License.  You  must  affix  such  a  notice   to  any  Open  Game  Content  that  you  Use.  No  terms   may  be  added  to  or  subtracted  from  this  License   except  as  described  by  the  License  itself.  No  other   terms  or  conditions  may  be  applied  to  any  Open   Game  Content  distributed  using  this  License.

3.Offer  and  Acceptance:  By  Using  the  Open  Game   Content  You  indicate  Your  acceptance  of  the  terms  of   this  License.

4.  Grant  and  Consideration:  In  consideration  for   agreeing  to  use  this  License,  the  Contributors  grant   You  a  perpetual,  worldwide,  royalty-­‐‑free,  non-­‐‑ exclusive  license  with  the  exact  terms  of  this  License   to  Use,  the  Open  Game  Content.

5.Representation  of  Authority  to  Contribute:  If  You   are  contributing  original  material  as  Open  Game   Content,  You  represent  that  Your  Contributions  are   Your  original  creation  and/or  You  have  sufficient   rights  to  grant  the  rights  conveyed  by  this  License.

6.Notice  of  License  Copyright:  You  must  update  the   COPYRIGHT  NOTICE  portion  of  this  License  to   include  the  exact  text  of  the  COPYRIGHT  NOTICE  of   any  Open  Game  Content  You  are  copying,  modifying   or  distributing,  and  You  must  add  the  title,  the   copyright  date,  and  the  copyright  holder’s  name  to   the  COPYRIGHT  NOTICE  of  any  original  Open  Game   Content  you  Distribute.

7.  Use  of  Product  Identity:  You  agree  not  to  Use  any   Product  Identity,  including  as  an  indication  as  to   compatibility,  except  as  expressly  licensed  in   another,  independent  Agreement  with  the  owner  of   each  element  of  that  Product  Identity.  You  agree  not   to  indicate  compatibility  or  co-­‐‑adaptability  with  any   Trademark  or  Registered  Trademark  in  conjunction   with  a  work  containing  Open  Game  Content  except   as  expressly  licensed  in  another,  independent   Agreement  with  the  owner  of  such  Trademark  or   Registered  Trademark.  The  use  of  any  Product   Identity  in  Open  Game  Content  does  not  constitute  a   challenge  to  the  ownership  of  that  Product  Identity.   The  owner  of  any  Product  Identity  used  in  Open   Game  Content  shall  retain  all  rights,  title  and  interest   in  and  to  that  Product  Identity.

8.  Identification:  If  you  distribute  Open  Game   Content  You  must  clearly  indicate  which  portions  of   the  work  that  you  are  distributing  are  Open  Game   Content.

9.  Updating  the  License:  Wizards  or  its  designated   Agents  may  publish  updated  versions  of  this  License.   You  may  use  any  authorized  version  of  this  License   to  copy,  modify  and  distribute  any  Open  Game   Content  originally  distributed  under  any  version  of   this  License.  

10.  Copy  of  this  License:  You  MUST  include  a  copy  of   this  License  with  every  copy  of  the  Open  Game   Content  You  Distribute.

11.  Use  of  Contributor  Credits:  You  may  not  market   or  advertise  the  Open  Game  Content  using  the  name   of  any  Contributor  unless  You  have  written   permission  from  the  Contributor  to  do  so.

12.  Inability  to  Comply:  If  it  is  impossible  for  You  to   comply  with  any  of  the  terms  of  this  License  with   respect  to  some  or  all  of  the  Open  Game  Content  due   to  statute,  judicial  order,  or  governmental  regulation   then  You  may  not  Use  any  Open  Game  Material  so   affected.

13.  Termination:  This  License  will  terminate   automatically  if  You  fail  to  comply  with  all  terms   herein  and  fail  to  cure  such  breach  within  30  days  of   becoming  aware  of  the  breach.  All  sublicenses  shall   survive  the  termination  of  this  License.

14.  Reformation:  If  any  provision  of  this  License  is   held  to  be  unenforceable,  such  provision  shall  be   reformed  only  to  the  extent  necessary  to  make  it   enforceable.

15.  COPYRIGHT  NOTICE     Open  Game  License  v  1.0a  Copyright  2000,  Wizards   of  the  Coast,  LLC.

System  Reference  Document  5.1  Copyright  2016,   Wizards  of  the  Coast,  Inc.;  Authors  Mike  Mearls,   Jeremy  Crawford,  Chris  Perkins,  Rodney  Thompson,   Peter  Lee,  James  Wyatt,  Robert  J.  Schwalb,  Bruce  R.   Cordell,  Chris  Sims,  and  Steve  Townshend,  based  on   original  material  by E. Gary Gygax and Dave Arneson.