TEXT: Gloomium Randomiser Chart
  +1 Damage
  +1d4 Damage
  +1 To Hit rolls
  +2 To Hit rolls
  +3 To Hit rolls
  +4 To Hit rolls
  -1 to Saving Throws
  +1 to Saving Throws
  +3 to Saving Throws
  +1d6 Damage
  +1d8 Damage
  +4 to Saving Throws
  -1d4 Damage
  -1d8 Damage
  -1d6 Damage
  -1 Damage
  -1 To Hit rolls
  -2 To Hit rolls
  -3 To Hit rolls
  -4 To Hit rolls
  Randomly generated 1 to 30 rolls that fall off the GRC are treated as a 1/
  Any other rolls that fall off the GRC are processed normally.
  Dice-roller decides on ‘straddled’ results.
  -2 to Saving Throws
  +2 to Saving Throws
  -3 to Saving Throws
  -4 to Saving Throws
  +5 to any
  roll
  +1d20 Damage
  08
  07
  06
  02
  03
  05
  04
  19
  25
  18
  24
  28
  30
  14
  20
  15
  21
  16
  22
  17
  23
  29
  27
  26
  13
  12
  11
  10
  09
  
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SOURCE: textdata/thevault/Swords & Wizardry (osr) [multi]/SnW 1e & 2e/Adventures & Settings/The Midderlands/Midderlands Gloomium Randomiser Chart Color r1 (S+W).pdf