Google Gemini Answer
Strengths:
HighHPandDefense:With240HPand160Defense,Eternatuscansurvivemanyattacksandcanbedifficulttotakedown.
PowerfulAbility:Eternatus'ability,DarkestNight,allowsittouseDarkness-typemovesforthecostofasingleDarknessenergy.ThiscanmakeitincrediblypowerfulforusingmoveslikeBlackHoleFlareandOblivionWing.
MassiveDamageOutput:Eternatus'attackshaveincrediblyhighbasedamage,capableofdealing250or300damagewithasinglehit.
Weaknesses:
WeaknesstoFightingandFairy-types:EternatusisweaktoFightingandFairy-typeattacks,whichcanbeexploitedtodealsignificantdamagetoit.
LackofSpeed:Eternatushasabasespeedof90,whichcanmakeitdifficulttouseitspowerfulattacksbeforeitisknockedoutbyfasterPokémon.
EnergyDependency:Eternatus'powerfulattacksrequireasignificantamountofenergytouse,makingitvulnerabletodecksthatcandisruptitsenergysupply.
Howtouseiteffectively:
PairwithDarkness-typeSupports:EternatusbenefitsfromsupportsthatcanprovideDarknessenergyorreducethecostofitsattacks,suchasProfessor'sResearchandDarkPatch.
UseinaControlDeck:Eternatuscanbeeffectiveincontroldecksthataimtodisrupttheopponent'sstrategyandtakeadvantageofitshighHPandDefense.
Considerusingaspecialenergy:Eternatushasanattackcostofthreedarknessenergies,sousingspecialenergycardslikeDarknessEnergyorDoubleDarknessEnergycanhelpyoupowerupyourattacksmorequickly.
ProtectfromFightingandFairy-types:It'simportanttobeawareoftheweaknessesofEternatusandtrytoprotectitfromFightingandFairy-typeattacks.
UtilizeitsMaxMove:Eternatus'MaxMove,G-MaxDredge,candealmassivedamageandhasasecondaryeffectofremovingallspecialenergyfrombothplayers'Pokémon.Thiscanbeapowerfulmovetouselateinthegametoclearthefieldandsetupforafinalpush.
Overall,EternatusisapowerfulandversatilePokémonthatcanbeavaluableassettoanydeck.Byunderstandingitsstrengthsandweaknessesandusingiteffectively,youcanmaximizeitspotentialanddominateyouropponents.