The "big 19" basic explanation – Espeon (week: 5-2) – Psybeam and Future Sight, for gym defense
Heracross week: https://pokemongo.gamepress.gg/q-a/big-19-basic-explanation-heracross-week-4-1-only-one-optimal-moveset-good-type-coverages & https://pokemongo.gamepress.gg/q-a/big-19-basic-explanation-heracross-week-4-2-how-about-other-movesets-various-types & https://pokemongo.gamepress.gg/q-a/big-19-basic-explanation-heracross-week-4-3-tyranitar-killer
Espeon week: https://pokemongo.gamepress.gg/q-a/big-19-basic-explanation-espeon-week-5-1-gengar-better-base-stats-defense-and-stamina
Espeon, many people think it is not good at gym defense, is actually decent because of its massive base attack stat and Confusion, one of the best quick moves on defense. Its good base defense stat protects its low base stamina stat, while Confusion keeping earning energy for Psybeam.
However, in the Gengar case, Espeon is unlikely to use Future Sight when facing a high level Gengar, while Psybeam itself is strong enough to kill the Gengar in one hit, it is superior to Future Sight.
Psybeam deals 88 damage to a same level Gengar, assuming both Pokémon have 100% IV.
In the versions where the dodge bug presents, please consider powering up your Gengar one level higher and dodge all moves to beat the Esepons.
Next post, is still Espeon!
Answers
I have neither :); and he is right, Gengar gets kicked by Psybeam which fires sometimes in that particular matchup as 3rd hit, right after 2 Confusions :).
For me it's funny to prestige Espeon with Murkrow, dodge just a bit, hit hit hit and charge move, 2-3 800 cp murks for a 2700 CP Espeon. No potions, quite fast, empty poke bag. Did this for several 1000s prestige few nights ago. Espeon was the bottom, Blissey was 4th so I had 3 slots for pokes for next 2 defenders. Some fun with suicide squad.
P.S. I still catch Murkrows, 1116 candies.
Do it. There is just a few secs difference between Espeon defending compared to dragonite/gyarados/rhydon.
Those first two confusions are deadly. Psybeam hits like a full bar move from other mons and still does good damage if dodged. Also, like you said variety is nice. I don't know know if you've fought a high level c/pb but I immediately wanted one afterwards and walked Eevees until I got it.