The Power series is the set of Mesmer spells that specifically interrupts other spells (to which the "power" refers).

	Power Block [edit]	Elite Spell. If target foe is casting a spell or chant, that skill and all skills of the same attribute are disabled for 1...10 seconds and that skill is interrupted.	15 ¼ 20
			Prophecies
	Power Drain [edit]	Spell. If target foe is casting a spell or chant, that skill is interrupted and you gain 1...25 Energy.	5 ¼ 20
			Core
	Power Leak [edit]	Spell. If target foe is casting a spell or chant, that skill is interrupted and target foe loses 3...14 Energy.	10 ¼ 20
			Prophecies
	Power Leech [edit]	Elite Hex Spell. If target foe is casting a spell or chant, that skill is interrupted and for 10 seconds, whenever that foe casts a spell, you steal up to 5...13 Energy from that foe.	5 ¼ 20
			Factions
	Power Return [edit]	Spell. If target foe is casting a spell or chant, that skill is interrupted and target foe gains 10...6 Energy.	5 ¼ 7
			Factions
	Power Spike [edit]	Spell. If target foe is casting a spell or chant, that skill is interrupted and target foe takes 30...102 damage.	5 ¼ 12
			Core