Weakness Chart for Poison-type:
IntimidateIntimidate: On switch-in, this Pokemon lowers the Attack of adjacent opponents by 1 stage.
Shed SkinShed Skin: This Pokemon has a 33% chance to have its status cured at the end of each turn.
UnnerveUnnerve: While this Pokemon is active, it prevents opposing Pokemon from using their Berries.
Here are the best movesets for Ekans. Top rated Ekans X/Y movesets. You can find Ekans builds X/Y. Ekans movesets X/Y are listed here. VGC Ekans Competitive Movesets can be found here. Find various EV spreads, find the best nature for Ekans in X/Y along with competitive movesets. Basic info and Movesets for Arbok evolution