since they remove 2+ TS if can be from mercliss and uber?

Good question! you used to be able to get the +1 from merciless not sure if they changed that.

Enchantment Tornado Shot Critical Strike Chance 1 Merciless Labyrinth 60% increased Tornado Shot Critical Strike Chance helmet 100
default 0
Enchantment Tornado Shot Critical Strike Chance 2 Eternal Labyrinth 90% increased Tornado Shot Critical Strike Chance helmet 100
default 0
Enchantment Tornado Shot Damage 1 Merciless Labyrinth 25% increased Tornado Shot Damage helmet 100
default 0
Enchantment Tornado Shot Damage 2 Eternal Labyrinth 40% increased Tornado Shot Damage helmet 100
default 0
Enchantment Tornado Shot Num Of Secondary Projectiles 2 Eternal Labyrinth Tornado Shot fires an additional secondary Projectile helmet 100
default 0

Uber is the only place to get +1 now