Monsters featured in Power Rangers Ninja Steel

• Abrakadanger
  #850 - Abrakadanger
• Badpipes
  #837 - My Friend Redbot
• Basherbots
  #840 - Rocking & Rolling, #843 - Family Fusion, #844 - Ace and the Race, #845 - The Royal Rival, #848 - Monkey Business, #850 - Abrakadanger, #851 - Helping Hand, #852 - Galvanax Rises, #853 - Past, Presents, and Future
• Cat O’Clock
  #849 - The Adventures of Redbot, #853 - Past, Presents, and Future
• Cleocatra
  #853 - Past, Presents, and Future
• Cosmo Royale
  #832 - Return of the Prism, #833 - Forged in Steel, #834 - Live and Learn, #835 - Presto Change-O, #836 - Drive to Survive, #837 - My Friend Redbot, #838 - Hack Attack, #839 - Gold Rush, #840 - Rocking & Rolling, #841 - The Ranger Ribbon, #842 - Poisonous Plots, #843 - Family Fusion, #844 - Ace and the Race, #845 - The Royal Rival, #846 - The Royal Rumble, #847 - Grave Robber, #848 - Monkey Business, #849 - The Adventures of Redbot, #850 - Abrakadanger, #851 - Helping Hand, #852 - Galvanax Rises
• Drillion
  #845 - The Royal Rival, #846 - The Royal Rumble
• Forcefear
  #851 - Helping Hand
• Galvanax
  #832 - Return of the Prism, #833 - Forged in Steel, #834 - Live and Learn, #835 - Presto Change-O, #836 - Drive to Survive, #837 - My Friend Redbot, #838 - Hack Attack, #839 - Gold Rush, #841 - The Ranger Ribbon, #842 - Poisonous Plots, #843 - Family Fusion, #844 - Ace and the Race, #845 - The Royal Rival, #846 - The Royal Rumble, #849 - The Adventures of Redbot, #850 - Abrakadanger, #851 - Helping Hand, #852 - Galvanax Rises, #853 - Past, Presents, and Future
• Hacktrack
  #838 - Hack Attack, #847 - Grave Robber, #853 - Past, Presents, and Future
• Korvaka
  #832 - Return of the Prism
• Kudabots
  #832 - Return of the Prism, #833 - Forged in Steel, #834 - Live and Learn, #835 - Presto Change-O, #836 - Drive to Survive, #837 - My Friend Redbot, #838 - Hack Attack, #839 - Gold Rush, #840 - Rocking & Rolling, #841 - The Ranger Ribbon, #842 - Poisonous Plots, #843 - Family Fusion, #844 - Ace and the Race, #845 - The Royal Rival, #846 - The Royal Rumble, #847 - Grave Robber, #848 - Monkey Business, #849 - The Adventures of Redbot, #850 - Abrakadanger, #853 - Past, Presents, and Future
• Lavagor
  #832 - Return of the Prism
• Madame Odius
  #832 - Return of the Prism, #833 - Forged in Steel, #834 - Live and Learn, #835 - Presto Change-O, #836 - Drive to Survive, #837 - My Friend Redbot, #838 - Hack Attack, #839 - Gold Rush, #841 - The Ranger Ribbon, #842 - Poisonous Plots, #843 - Family Fusion, #845 - The Royal Rival, #846 - The Royal Rumble, #850 - Abrakadanger, #851 - Helping Hand, #852 - Galvanax Rises
• Phonepanzee
  #848 - Monkey Business
• Ripcon
  #832 - Return of the Prism, #833 - Forged in Steel, #834 - Live and Learn, #835 - Presto Change-O, #836 - Drive to Survive, #837 - My Friend Redbot, #838 - Hack Attack, #839 - Gold Rush, #840 - Rocking & Rolling, #841 - The Ranger Ribbon, #842 - Poisonous Plots, #843 - Family Fusion, #853 - Past, Presents, and Future
• Ripperrat
  #833 - Forged in Steel
• “Shadow Monster”
  #839 - Gold Rush
• Shoespike
  #844 - Ace and the Race
• Skullgators
  #834 - Live and Learn, #839 - Gold Rush, #843 - Family Fusion, #845 - The Royal Rival, #847 - Grave Robber
• Slogre
  #835 - Presto Change-O, #847 - Grave Robber
• Spinferno
  #834 - Live and Learn, #847 - Grave Robber
• Stonedozer
  #840 - Rocking & Rolling
• Tangleweb
  #836 - Drive to Survive
• Toxitea
  #842 - Poisonous Plots
• Trapsaw
  #841 - The Ranger Ribbon, #847 - Grave Robber, #849 - The Adventures of Redbot

Total: 26 monsters