Great, Ultra, and Master League Tier Lists are being overhauled.
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2,079
Lvl 50Max CP
1,839
Lvl 40
1,313
Lvl 25Weather Boost
1,051
Lvl 20Raids/Eggs
788
Lvl 15Research

Mix Altaria and Vigoroth and you get Zweilous. The two-headed dragon brings very consistent damage with Dragon Breath and Body Slam, whether or not the opponent has shields available. Dark Pulse is the secondary charged move of choice. On its own, it's a stronger move than Dragon Pulse, and Dragon Breath deals enough dragon damage, so Dark Pulse provides meaningful coverage against top Psychic- and Ghost-type threats in the game.

Zweilous is a decent choice in the Great League thanks to its rare typing, decent stats, and fairly spammable moveset. It is largely outclassed by Guzzlord, however, as the latter's superior stats and wider coverage tends to outperform Zweilous the vast majority of the time. However, a Great League eligible Guzzlord is considerably more difficult to obtain, so Zweilous can act as a stand-in for some players.

75,000 Stardust + 75 Candy
Second Charge Move Cost
10%
Flee Rate
5 KM
Buddy Distance
10%
Catch Rate
%
Female Ratio
%
Male Ratio