| Flavor Text | 
|  | Sword | The core on its chest absorbs energy emanating from the lands of the Galar region. This energy is what allows Eternatus to stay active. | 
Shield | It was inside a meteorite that fell 20,000 years ago. There seems to be a connection between this Pokémon and the Dynamax phenomenon. | |  | Sword | As a result of Rose's meddling, Eternatus absorbed all the energy in the Galar region. It's now in a state of power overload. | 
Shield | Infinite amounts of energy pour from this Pokémon's enlarged core, warping the surrounding space-time. | 
| Standard Level Up | 
|
				| — | Poison Tail |  |  | 50 | 100 | 25 | 10 | 
				| The user hits the target with its tail. This may also poison the target. Critical hits land more easily. | 
				| — | Confuse Ray |  |  | -- | 100 | 10 | -- | 
				| The target is exposed to a sinister ray that triggers confusion. | 
				| — | Dragon Tail |  |  | 60 | 90 | 10 | -- | 
				| The target is knocked away, and a different Pokémon is dragged out. In the wild, this ends a battle against a single Pokémon. | 
				| — | Agility |  |  | -- | 101 | 30 | -- | 
				| The user relaxes and lightens its body to move faster. This sharply raises the Speed stat. | 
				| 8 | Toxic |  |  | -- | 90 | 10 | -- | 
				| A move that leaves the target badly poisoned. Its poison damage worsens every turn. | 
				| 16 | Venoshock |  |  | 65 | 100 | 10 | -- | 
				| The user drenches the target in a special poisonous liquid. This move's power is doubled if the target is poisoned. | 
				| 24 | Dragon Dance |  |  | -- | 101 | 20 | -- | 
				| The user vigorously performs a mystic, powerful dance that raises its Attack and Speed stats. | 
				| 32 | Cross Poison |  |  | 70 | 100 | 20 | 10 | 
				| A slashing attack with a poisonous blade that may also poison the target. Critical hits land more easily. | 
				| 40 | Dragon Pulse |  |  | 85 | 100 | 10 | -- | 
				| The target is attacked with a shock wave generated by the user's gaping mouth. | 
				| 48 | Flamethrower |  |  | 90 | 100 | 15 | 10 | 
				| The target is scorched with an intense blast of fire. This may also leave the target with a burn. | 
				| 56 | Dynamax Cannon |  |  | 100 | 100 | 5 | -- | 
				| The user unleashes a strong beam from its core. This move deals twice the damage if the target is Dynamaxed. | 
				| 64 | Cosmic Power |  |  | -- | 101 | 20 | -- | 
				| The user absorbs a mystical power from space to raise its Defense and Sp. Def stats. | 
				| 72 | Recover |  |  | -- | 101 | 10 | -- | 
				| Restoring its own cells, the user restores its own HP by half of its max HP. | 
				| 80 | Hyper Beam |  |  | 150 | 90 | 5 | -- | 
				| The target is attacked with a powerful beam. The user can't move on the next turn. | 
				| 88 | Eternabeam |  |  | 160 | 90 | 5 | -- | 
				| This is Eternatus's most powerful attack in its original form. The user can't move on the next turn. | 
| Technical Machine Attacks | 
|
| TM06 | Fly |  |  | 90 | 95 | 15 | -- | 
					| The user flies up into the sky and then strikes its target on the next turn. | 
| TM08 | Hyper Beam |  |  | 150 | 90 | 5 | -- | 
					| The target is attacked with a powerful beam. The user can't move on the next turn. | 
| TM09 | Giga Impact |  |  | 150 | 90 | 5 | -- | 
					| The user charges at the target using every bit of its power. The user can't move on the next turn. | 
| TM11 | Solar Beam |  |  | 120 | 100 | 10 | -- | 
					| In this two-turn attack, the user gathers light, then blasts a bundled beam on the next turn. | 
| TM16 | Screech |  |  | -- | 85 | 40 | -- | 
					| An earsplitting screech harshly lowers the target's Defense stat. | 
| TM17 | Light Screen |  |  | -- | 101 | 30 | -- | 
					| A wondrous wall of light is put up to reduce damage from special attacks for five turns. | 
| TM18 | Reflect |  |  | -- | 101 | 20 | -- | 
					| A wondrous wall of light is put up to reduce damage from physical attacks for five turns. | 
| TM21 | Rest |  |  | -- | 101 | 10 | -- | 
					| The user goes to sleep for two turns. This fully restores the user's HP and heals any status conditions. | 
| TM24 | Snore |  |  | 50 | 100 | 15 | 30 | 
					| This attack can be used only if the user is asleep. The harsh noise may also make the target flinch. | 
| TM25 | Protect |  |  | -- | 101 | 10 | -- | 
					| This move enables the user to protect itself from all attacks. Its chance of failing rises if it is used in succession. | 
| TM26 | Scary Face |  |  | -- | 100 | 10 | -- | 
					| The user frightens the target with a scary face to harshly lower its Speed stat. | 
| TM39 | Facade |  |  | 70 | 100 | 20 | -- | 
					| This attack move doubles its power if the user is poisoned, burned, or paralyzed. | 
| TM57 | Payback |  |  | 50 | 100 | 10 | -- | 
					| The user stores power, then attacks. If the user moves after the target, this attack's power will be doubled. | 
| TM58 | Assurance |  |  | 60 | 100 | 10 | -- | 
					| If the target has already taken some damage in the same turn, this attack's power is doubled. | 
| TM73 | Cross Poison |  |  | 70 | 100 | 20 | 10 | 
					| A slashing attack with a poisonous blade that may also poison the target. Critical hits land more easily. | 
| TM74 | Venoshock |  |  | 65 | 100 | 10 | -- | 
					| The user drenches the target in a special poisonous liquid. This move's power is doubled if the target is poisoned. | 
| TM76 | Round |  |  | 60 | 100 | 15 | -- | 
					| The user attacks the target with a song. Others can join in the Round to increase the power of the attack. | 
| TM92 | Mystical Fire |  |  | 75 | 100 | 10 | 100 | 
					| The user attacks by breathing a special, hot fire. This also lowers the target's Sp. Atk stat. | 
| TM97 | Brutal Swing |  |  | 60 | 100 | 20 | -- | 
					| The user swings its body around violently to inflict damage on everything in its vicinity. | 
| Technical Record Attacks | 
|
| TR02 | Flamethrower |  |  | 90 | 100 | 15 | 10 | 
					| The target is scorched with an intense blast of fire. This may also leave the target with a burn. | 
| TR12 | Agility |  |  | -- | 101 | 30 | -- | 
					| The user relaxes and lightens its body to move faster. This sharply raises the Speed stat. | 
| TR20 | Substitute |  |  | -- | 101 | 10 | -- | 
					| The user creates a substitute for itself using some of its HP. The substitute serves as the user's decoy. | 
| TR22 | Sludge Bomb |  |  | 90 | 100 | 10 | 30 | 
					| Unsanitary sludge is hurled at the target. This may also poison the target. | 
| TR26 | Endure |  |  | -- | 101 | 10 | -- | 
					| The user endures any attack with at least 1 HP. Its chance of failing rises if it is used in succession. | 
| TR27 | Sleep Talk |  |  | -- | 101 | 10 | -- | 
					| While it is asleep, the user randomly uses one of the moves it knows. | 
| TR33 | Shadow Ball |  |  | 80 | 100 | 15 | 20 | 
					| The user hurls a shadowy blob at the target. This may also lower the target's Sp. Def stat. | 
| TR44 | Cosmic Power |  |  | -- | 101 | 20 | -- | 
					| The user absorbs a mystical power from space to raise its Defense and Sp. Def stats. | 
| TR51 | Dragon Dance |  |  | -- | 101 | 20 | -- | 
					| The user vigorously performs a mystic, powerful dance that raises its Attack and Speed stats. | 
| TR54 | Toxic Spikes |  |  | -- | 101 | 20 | -- | 
					| The user lays a trap of poison spikes at the feet of the opposing team. The spikes will poison opposing Pokémon that switch into battle. | 
| TR57 | Poison Jab |  |  | 80 | 100 | 20 | 30 | 
					| The target is stabbed with a tentacle, arm, or the like steeped in poison. This may also poison the target. | 
| TR62 | Dragon Pulse |  |  | 85 | 100 | 10 | -- | 
					| The target is attacked with a shock wave generated by the user's gaping mouth. | 
| TR70 | Flash Cannon |  |  | 80 | 100 | 10 | 10 | 
					| The user gathers all its light energy and releases it all at once. This may also lower the target's Sp. Def stat. | 
| TR78 | Sludge Wave |  |  | 95 | 100 | 10 | 10 | 
					| The user strikes everything around it by swamping the area with a giant sludge wave. This may also poison those hit. | 
| TR91 | Venom Drench |  |  | -- | 100 | 20 | 100 | 
					| Opposing Pokémon are drenched in an odd poisonous liquid. This lowers the Attack, Sp. Atk, and Speed stats of a poisoned target. |