TEXT: QLL1: PREPARED QUILLS (FOR WRITING SCROLLS)
  Source 
  Category 
  Frequency 
  Avg. Cost 
  Bonus 
  Increase to Spell Effect
  axe beak 
  extraordinary 
  uncommon 
  13 g.p. 
  ±0%
  cockatrice 
  magical 
  uncommon 
  540 g.p. 
  +5% 
  hold person/animal (2x), all “stone”-related spells (+1 level)
  crane, giant 
  extraordinary 
  rare 
  40 g.p. 
  ±0%
  eagle, giant 
  extraordinary 
  rare 
  115 g.p. 
  ±0%
  falcon, small 
  ordinary 
  rare 
  5 g.p. 
  —
  falcon, large 
  ordinary 
  uncommon 
  6 g.p. 
  —
  ﬂightless bird 
  ordinary 
  common 
  1-3 g.p. 
  —
  griffon 
  extraordinary 
  uncommon 
  145 g.p. 
  +1%
  harpy 
  magical 
  rare 
  95 g.p. 
  +1% 
  charm spells (2x)
  hawk 
  ordinary 
  common 
  5 g.p. 
  —
  hawk, giant 
  extraordinary 
  uncommon 
  23 g.p. 
  +0%
  hippogriff 
  extraordinary 
  rare 
  65 g.p. 
  +1%
  lammasu 
  magical 
  rare 
  635 g.p. 
  +8% 
   invisibility spells (2x), protection from evil (2x), cure wounds (+1 level), all divination spells (2x)
  owl 
  ordinary 
  uncommon 
  7 g.p. 
  —
  owl, giant 
  extraordinary 
  uncommon 
  45 g.p. 
  ±0% 
  owlbear 
  extraordinary 
  uncommon 
   85 g.p. 
  +1%
  pegasus 
  extraordinary 
  rare 
  140 g.p. 
  +2%
  peryton 
  magical 
  uncommon 
  460 g.p. 
  +1% 
  protection from normal missiles (2x)
  phoenix 
  magical 
  very rare 
  11,600 g.p. 
  +15% 
  all ﬁre and ﬂame-related spells (2x or +1 level, at DM’s discretion)
  raven 
  ordinary 
  common 
  2 g.p. 
  —
  raven, giant 
  extraordinary 
  rare 
    64 g.p. 
  +1%
  roc 
  extraordinary 
  uncommon 
  250 g.p. 
  +1% 
  all growth and strength spells (1.5x)
  shedu 
  magical 
  uncommon 
  540 g.p. 
  +5% 
  divination spells (2x), temporal stasis (1.5x)
  sphinx, andro- 
  magical 
  very rare 
  3,800 g.p. 
  +7% 
  gust of wind (+1 level), fear (2x)
  sphinx, crio- 
  extraordinary 
  rare 
  1,025 g.p. 
  +3% 
  spells related to animal communication/friendship (2x)
  sphinx, gyno- 
  magical 
  rare 
  1,550 g.p. 
  +5%
  sphinx, hieraco- 
  extraordinary 
  rare 
  570 g.p. 
  +2%
  stirge 
  extraordinary 
  uncommon 
  7 g.p. 
  +2% 
  vulture 
  ordinary 
  common 
  17 g.p. 
  ±0%
  vulture, giant 
  ordinary 
  very rare 
  42 g.p. 
  +2%
   Roll    
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  Source=animal from which quill was attained   Category=magical and extraordinary quills are required to write scrolls (ordinary quills may not)   Frequency=rarity of quill type   
  Average Cost=average cost for pinion/choice feather already prepared for writing     Bonus=bonus to chance of success when attempting to scribe (any) magical scroll
  Increase to Spell Effect=enhancement to effect of spell when scroll has been successfull scribed; “#x”=duration increase; “+# level”=increase in effect as if scribe is higher in level  
  “d30 Quillss”: © 2014, New Big Dragon Games Unlimited
  d30 Quills (for Scroll Writing)
  
SOURCE: textdata/thevault/OSR Generic/Old School Adventures D30 Accessories (OSR)/NBD d30 Encounters; Generators/d30 Quills for Writing (OSR).pdf