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The Ancient Worm is the first boss the player will encounter. It has its own island arena, a level 10 area, the Worm Pit.

Anatomy

A worm like creature with six eyes, two antennas, and legs running down either side of its body which presumably are used for loosening the ground and possibly for mobility. The eyes are directional but do not fixate on the focus of the Ancient Worm's attention, rather they remain pointed in every direction indicating that the eyes are for . It is various shades of green and has slight lined crevasses across its back. It can be found in a pit full of acid to which it appears to be resistant to. It may be this acid which it spits at attackers.

The majority of its body is covered by a hard chitin and leathery skin rendering it nearly impervious to harm, though the end of the tail appears to be less protected. The Ancient Worm seems to be extremely flexible and with relatively few hard body parts, ideal for working its way through dirt.

It has one mouth in which glowing mucus is visible. This is likely digestive acid. The mouth is lined on the bottom side by a row of teeth, which may or may not be fixed to a jaw, and the top side is lined by a single hard plate which the Ancient Worm probably uses for breaking through hard materials in the soil.

Ancient Worm Attack

Ancient Worm Boss Fight


Behavior

Ancient Worm Down

Unconscious Ancient_Worm

The Ancient Worm has only been observed in a dormant state, but it appears that it has remained there for a long time. It may be that it returns to the nest often. While dormant, the Ancient Worm positions the majority of its body underground and exposes the end of its tail near its burrow, perhaps to continue sensing the surface during its dormancy. The worm fills its burrow with acid, possibly to keep scavengers, predators, and bacteria away from it while it is sleeping.

When threatened the Ancient Worm spews digestive acids at attackers.

It also summons nearby maggots to the surface all around it, making a loud high pitched call similar to noises the maggots themselves make and exposing its tail as if it were one of the maggots. It is unclear from this behavior alone whether the Ancient Worm has any particular connection to the maggots or if it uses the end of its tail to mimic the maggots and lead them to the surface where they will naturally engage the attacker. It would seem that maggots continually gathers around the Ancient Worm, allowing the worm to surface maggots in its own defense any number of times even if the maggots are killed. This summoning behavior may indicate intelligent, possibly social learning on the Ancient Worm's part.

The Ancient Worm's diet is unclear, as is whether it is territorial or aggressive.

Combat and Tactics

Upon arriving at the Worm Pit, a single harmless Worm Tail will be on the platform. If the player kills the Worm Tail, the Ancient Worm will appear from the central pit. The Ancient Worm will shoot slow poison projectiles, that appear as green bubbles, one large one followed by two smaller ones. Occasionally the Ancient Worm will perform a call which re-summons the Worm Tail on the platform along with several Maggots of various types.

Worm Tail

Worm Tail

The Worm Tail can be distinguished from the Maggots due to its larger size. Killing the worm tail will cause the Ancient Worm to become unconscious for 10 seconds or so at which point it is vulnerable to attack. When the Ancient Worm re-awakes, it will hurl a large number of poison projectiles in all directions.

The Maggots can damage the player, but the Worm Tail cannot. If the player simply keeps moving forward at normal speed around the circular platform, the Ancient Worm's poison blobs will never hit and the player will never take any damage. When the player sees the Worm Tail (it's the largest target, and it appears slightly before the maggots), he can attack it without stopping forward motion.

The Ancient Worm is vulnerable to Fire Damage, resistant to Electro Damage, and immune to Earth damage.

Drops

Drops are based on 25 Boss kills. (***Drop Rates are in process of being updated. I will have Ancient Worm updated by 1/26/2021***)

Experience Per Run (Boss 1570) + (Exp Orbs 2853) = (4423)
Gold Per Run (avg) 80 - 85
Ancient Worm DROPS (solo) Overall DR (x125) Drop Rate % Druid (x25) Drop Rate % Mage (x25) Drop Rate % Ranger (x25) Drop Rate % Rogue (x25) Drop Rate % Warrior (x25) Drop Rate %
Apple Larva pet (400 coins) 12 10% 3 12% 1 4% 3 12% 1 4% 4 16%
Bite trap (10 coins) 13 10% 0 0% 0 0% 5 20% 8 32% 0 0%
Blazing Blossom Shapeshift I (200 coins) 5 4% 4 16% 1 4% 0 0% 0 0% 0 0%
Cape of the Black Sea's Sorcerer (200 coins) 7 6% 1 4% 4 16% 0 0% 1 4% 1 4%
Cape of the Dagger and Bones (100 coins) 5 4% 0 0% 0 0% 0 0% 1 4% 1 4%
Cape of the Horned Ascendant (100 coins) 7 6% 3 12% 1 4% 1 4% 1 4% 1 4%
Recipe for Red Crystal Block 15%
Recipe for Light Blue Crystal Block 10%
Orb of Incandescence ?
Fire Sting 12%
Scroll of Healing 60%
Fireball Scroll 92%
Recipe for Rocket 8%
Recipe for Poison Rain 8%
Recipe for Relic of Thunder 8%
Recipe for Miner's Boots 4%
Recipe for Fluffy's Strength 8%
Apple Larva pet 4%
Sword of Ulrich the Unlucky ?
Ring of Storms 44%
Shroud of the Unknown Knight ?
Cape of the Unheralded Harbinger 16%
Worm Scourge 4%
Greater Copper Clasps ?
Worm Cutter 30%
Haul Away Elsa 4%
Sickles of Scars 16%
Copper Throwing Stars 16%
Cape of the Dagger and Bones 8%
Bite trap 30%
Totem of Divine Mercy 4%
Blazing Blossom Shapeshift I ?
Poison Spider Shapeshift I ?
Firewatcher's Dagger ?
Cudgel ?
Cape of the Horned Ascendant ?

Trivia

The Ancient Worm won't drop any Health Orbs and Mana Orbs but, every Worm Tail or maggots killed, will drop 4 of each.

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