From 10 a.m. local time on Dec. 15 to 10 a.m. on Dec. 23 Mega Glalie will be appearing in Pokémon GO as a Mega Raid Boss. The Ice-type Pokémon first appeared in the Hoenn region featured in the generation three Game Boy Advance games. Here is everything to know about the Mega Glalie Raid:

Pokémon GO Mega Glalie: Weakness

Mega Glalie is an Ice-type Pokémon so the best types to use are Fire, Fighting, Rock, and Steel. Pokémon with those types will be your best counters.

Pokémon GO Mega Glalie: Moveset

Mega Glalie can use the following moves in Pokémon GO:

Fast Moves

• Frost Breath
• Ice Shard

Charge Moves

• Avalanche
• Gyro Ball
• Shadow Ball

Pokémon GO Mega Glalie: Counters

After learning the type-matchup here are a few examples of counter picks you can use:

• Mega X Charizard - Fire Spin + Blast Burn
• Mega Y Charizard - Fire Spin + Blast Burn
• Mega Houndoom - Fire Fang + Flamethrower
• Reshiram - Fire Fang + Overheat
• Metagross - Bullet Punch + Meteor Mash
• Terrakion - Smack Down + Sacred Sword
• Lucario - Counter + Aura Sphere
• Chandelure - Fire Spin + Overheat
• Mega Lopunny - Low Kick + Focus Blast
• Mega Steelix - Iron Tail + Heavy Slam

These are just a few suggested counter-picks for Mega Glalie. Mega Glalie is not the only Raid boss during the Mythical Wishes season in Pokémon GO. Players will have the chance to encounter many of their favorite Pokémon wearing special holiday-themed costumes like Pikachu wearing a Winter Carnival outfit.

This article was originally published on dbltap as Mega Glalie Pokémon GO Raid Guide.