The Tower dungeon is accessible from one of the two towers in the world of Pueblo Online.
After passing in the pre-dungeon, where the mercenary will offer us two essential skills to face the following bosses, we will find ourselves in front of the Gargoyle.
Below is a short guide that the developers recommend to players to be successful in the dungeon.
RECOMMENDED SPELLS
Harvest 
by 
using and summon near Team B players. They will use cauldrons to convert mineral buffs to alchemy buffs so they will be able to attack boss.
RECOMMENDED SPELLS
Harvest by using . Then convert buffs to 
buffs using summoned by Team A players. Now use your buffs to cast and attack the Gargoyle boss.
Sometimes, when possible, use to distract the boss helping the team.
RECOMMENDED SPELLS
Harvest by 
using and summon near Team B players. They will use cauldrons to convert mineral buffs to battery buffs so they will be able to attack boss.
RECOMMENDED SPELLS
Harvest by using . Then convert buffs to 
buffs using summoned by Team A players. Now use your buffs to cast and attack the Gargoyle boss.
Sometimes, when possible, use to distract the boss helping the team.