Tempest gem

Keep away from washing lines.

Item level 30Skill

Levels gems grow with AP

Level	Needs	Gives	Cast chance
1	0 AP	Squall	–
2	800 AP	Frost Nova	+1 pts
3	3,200 AP		+2 pts
4	9,000 AP	Thunderstorm	+1 pts
5	22,000 AP		+2 pts

Socket it in a weapon or armour, link it with supports, and what it teaches starts to fire in battle.

Squall Attack · Wind

A little storm, just for them.

Mana: 14
Base chance: 30% of turns
Target: enemy
Hits: 1 (×1.2 your swing)
Status: Windswept · 50% chance
Needs: staff

Hero level	Per cast	On a crit	Weak foe	Resists
10	16–22	29–39	24–33	10–13
30	49–66	86–116	74–99	29–40
50	78–106	137–186	117–159	47–64
70	108–147	190–257	162–221	65–88
99	157–213	275–373	236–320	94–128

Per cast against an ordinary foe of the hero's own level, for a hero with no gear or gems and every skill at that level. Gear, gems and supports add to it.

Frost Nova Utility · Frost

Everyone's a bit chilly now. Well done.

Mana: 18
Base chance: 24% of turns
Target: all enemies
Hits: 1 (×0.5 your swing)
Status: Chill · 70% chance
Needs: staff, greatstaff

Hero level	Per cast	On a crit	Weak foe	Resists
10	7–9	12–16	11–14	4–5
30	20–28	36–48	30–42	12–17
50	33–44	57–77	50–66	20–26
70	45–61	79–107	68–92	27–37
99	66–89	115–155	99–134	40–53

Per cast against an ordinary foe of the hero's own level, for a hero with no gear or gems and every skill at that level. Gear, gems and supports add to it.

Thunderstorm Attack · Lightning

Brings its own weather and no umbrella.

Mana: 40
Base chance: 6% of turns
Target: random enemies (4 picks)
Hits: 1 (×1 your swing)
Needs: staff

Hero level	Per cast	On a crit	Weak foe	Resists
10	14–19	24–32	21–29	8–11
30	41–55	71–97	62–83	25–33
50	65–88	114–155	98–132	39–53
70	90–122	158–214	135–183	54–73
99	131–177	230–311	197–266	79–106

Per cast against an ordinary foe of the hero's own level, for a hero with no gear or gems and every skill at that level. Gear, gems and supports add to it.