The phrase "elemental weaknesses" refers to specific vulnerabilities or disadvantages that certain elements or forces have against others in a particular context or system. Full definition
His elemental abilities that would only strike once instead can strike ten times across all enemies in battle, incredibly handy if they all share a common elemental weakness. (justpushstart.com)
Just how effective is hitting a monster's elemental weakness if it means using a weapon with lower physical damage? (zam.com)
Persona 4 Golden uses a number of long standing gameplay mechanics from the Shin Megami Tensei franchise including the Pokemon - like collection of monsters and focusing combat around the exploitation of elemental weaknesses. (darkstation.com)