Author note: To commemorate the total of 150 chapters--------------------------------------------------------------------------------------------------------------------------
『Anogratch LV1Status ＨＰ:１４０／１４０（Green） ＭＰ:３０／３０（Blue） ＳＰ:１００／１００（Yellow） :９０／９０（Red） Average Offensive Ability:１００ Average Defensive Ability:８５ Average Magic Ability:２５ Average Resistance Ability:３０ Average Speed Ability:１００Skill「Throw LV1」 「Accuracy LV1」 「3D-Maneuver LV1」 「Cooperation LV5」 「Anger LV8」 「Revenge」』
Also known as monkey. It has the unique skill called "Revenge". It's called as the revenge monkey from the fact that it will attack those who harm it's comrades persistently. The breeding season exists, so the damage when the numbers increased becomes serious. While the individual danger degree is D, it's a dangerous monster that can be ranked as S according to the scale of troop. The individual inhabit in the Elro Great Labyrinth has the "Night Vision" originally. By the way, the troop that Kumoko defeat in the story is the smallest scale.
『Bugragratch LV1Status ＨＰ:６００／６００（Green） ＭＰ:１００／１００（Blue） ＳＰ:５８８／５８８（Yellow） :５６４／５６４（Red） Average Offensive Ability:５５９ Average Defensive Ability:５３１ Average Magic Ability:９７ Average Resistance Ability:１０６ Average Speed Ability:５４８Skill「Throw LV6」 「Accuracy LV6」 「3D-Maneuver LV6」 「Cooperation LV6」 「Overeating LV1」 「Rest LV1」』
Also know as huge monkey. The evolved form of Anogratch that has a huge crocodile-like mouth. However, the "Revenge" skill and the "Rage" skill are lost by evolving somehow. It's a strange species that loses skills by evolving. Because "Revenge" was lost, even if it's defeated, it's comrades won't attack in great numbers. It might get mixed in the large troop of Anogratch once in a while, but it won't cooperate with them. The individual danger degree is C that's near B. It's an unusual species that it's said that it's pre-evolution is more dangerous. It's said that the skills were lost because of species preservation, but the truth is uncertain.
『Elro Generush LV1Status ＨＰ:１３２／１３２（Green） ＭＰ:１０６／１０６（Blue） ＳＰ:１２８／１２８（Yellow） :１２８／１２８（Red） Average Offensive Ability:７０ Average Defensive Ability:７０ Average Magic Ability:６８ Average Resistance Ability:６７ Average Speed Ability:７３Skill「Fire Drake LV1」 「Accuracy LV1」 「Swim LV1」 「Heat Nullity」』
Also known as seahorse. It's a monster that has the appearance of a seahorse that has limbs grown. Low rank Drake species. Usually, it swims in the magma and looks for food. Although it will lose to any monster in the middle layer, it will shoot fireball to the intruders from the upper layer and lower layer. However, it's a muscle-brain, so when its MP is exhausted, it will rush physically. Reckless. But, it will run away if the opponent is too strong. Danger degree, D.
『Elro Piek LV1Status ＨＰ:１３０／１３０（Green） ＭＰ:１３０／１３０（Blue） ＳＰ:１４１／１４１（Yellow） :１４９／１４９（Red） Average Offensive Ability:１０２ Average Defensive Ability:９６ Average Magic Ability:９５ Average Resistance Ability:９３ Average Speed Ability:１０６Skill 「Enhanced Smell LV3」 「Fire Attack LV1」 「Heat Nullity」』
Also known as red dog. An appearance of a red dog. Comparatively lovely. Uses the sense of smell to find its prey like a dog. But, it burns brightly when attacking. It's not cute at that time. Danger degree, D.
『Elro Geneseven LV1Status ＨＰ:��９０／３９０（Green） ＭＰ:１５０／１５０（Blue） ＳＰ:１４８／１４８（Yellow） :３９５／３９５（Red） Average Offensive Ability:２９６ Average Defensive Ability:２５６ Average Magic Ability:９１ Average Resistance Ability:８８ Average Speed Ability:８９Skill 「Fire Drake LV2」 「Dragon Scale LV1」 「Accuracy LV6」 「Swim LV5」 「Overeating LV1」 「Heat Nullity」』
Also known as catfish. It's a monster that has the appearance of a catfish that has limbs grown. Low rank Drake species. The evolved form of the seahorse. Swallows everything with its huge mouth. Changes into coward after evolving. It will run away even if the opponent is only a little stronger. It's always aimed by a certain spider because it's delicious. Danger degree, C.
『Elro Generave LV1Status ＨＰ:９８０／９８０（Green） ＭＰ:４９０／４９０（Blue） ＳＰ:８８０／８８０（Yellow） ���９５０／９５０（Red） Average Offensive Ability:８８１ Average Defensive Ability:８０９ Average Magic Ability:４４４ Average Resistance Ability:４２１ Average Speed Ability:５７３Skill 「Fire Drake LV4」 「Dragon Scale LV5」 「Enhanced Fire LV1」 「Accuracy LV10」 「Evasion LV1」 「Probability Correction LV1」 「High-speed Swim LV2」 「Overeating LV5」 「Heat Nullity」 「Life LV3」 「Agility LV1」 「Endurance LV3」 「Powerful LV1」 「Sturdy LV1」』
Also known as eel. It's a monster that has the appearance of a eel that has limbs grown. Medium rank Drake species. The evolved form of the catfish. It can shoot out a powerful fireball attack that can't be compared with the low rank Drakes. It's physical abilities are also high, so it's purely strong. It also has the thinking ability to judge the situation. Although it's not a coward like the catfish, when the opponent is a higher rank, it might withdraw. In addition, it's also aimed by a certain spider because it's delicious like the catfish. Danger degree, B.
『Elro Debegiad LV1Status ＨＰ:８８／８８（Green） ＭＰ:３３／３３（Blue） ＳＰ:７０／７０（Yellow） :６０／６０（Red） Average Offensive Ability:５０ Average Defensive Ability:４２ Average Magic Ability:１９ Average Resistance Ability:１５ Average Speed Ability:３８Skill 「Swim LV1」 「Heat Nullity」』
Also known as round insect. It's a monster that has an appearance like a round globe with four feet. Its status is also low, and it's only weapon is ramming attack, so it's very weak. However, it will escape into the magma as soon as it perceives danger. Danger degree, E.
『Elro Geafrog LV1Status ＨＰ:８０／８０（Green） ＭＰ:７０／７０（Blue） ＳＰ:６５／６５（Yellow） :６５／６５（Red） Average Offensive Ability:６４ Average Defensive Ability:５５ Average Magic Ability:４２ Average Resistance Ability:４２ Average Speed Ability:４０Skill 「Poison Synthesis LV2」 「Acid Attack LV2」 「Shoot LV3」 「Swim LV1」 「Night Vision LV7」 「Poison Resistance LV2」 「Acid Resistance LV2」 「Heat Nullity」』
Also known as frog's evolved form. The alias as it is. The evolved form of the frog that inhabits in the upper layer to adjust the middle layer's environment. Therefore, neither its status nor skills have strengthened dramatically. Danger degree, D.