The Torrent of Elements has a PPM of 1 per minute with a 15 second uptime meaning it's worth a 2.5% increase to your elemental abilities.
(In practice, I have seen the uptime to be closer to 24% in my logs meaning it's worth a 2.4% increase to your elemental abilities)

Siphoning provides a flat 100 leech which is equal to 2.5% leach at max level

Gale-Force Striking has a PPM of 2 per minute with a 15 second uptime meaning it's worth 7.5% increased attack speed

Coastal Surge has a PPM of 3 per minute healing for 1616 every 2 second for 10 seconds each time equaling 404 HPS increase without crit and overheal so to find your effective HPS increase take the 404 and multiply it by your crit chance and then multiply the adjusted number by your average overheal of the spell.
(1 - Overheal %) * (404 * (1 + Crit %)) = Final effective HPS increase

There are also BFA weapon enchants that provide secondary stats. The full list of BFA enchants with these similar effects are:

The PPM for these enchants are about 6 / minute based on the information in the game.

When looking at Simcraft though the average uptime for each stack of the buff are (over a 5 minute fight):
1 stack = 17.5% average
2 stacks = 17% average
3 stacks = 16.5% average
4 stacks = 16% average
Final stack = 17.5% average

This equates to approximately:
1 stack = 8.75 of the stat given
2 stacks = 17 of the stat given
3 stacks = 24.75 of the stat given
4 stacks = 32 of the stat given
Final stack = 105 of the stat given

Totaling an effective 187.5 of the stat given based on the PPM.

For classes like Demon Hunter, Rogue and others with 2 weapons that you can enchant. Here is what the difference looks like if you use a different enchant on each hand vs the same on each. (These numbers are based on 60,000 iterations over 6 different classes in Simcraft)

1 enchant on each:
1 stack - 18% average uptime - 9 of each stat effective
2 stacks - 17.5% avg uptime - 17.5
3 stacks - 17% avg uptime - 25.5
4 stacks - 16.4% avg uptime - 32.8
Final stack - 18% avg uptime - 108

Total effective = 192.8 of each stat

2 of the same enchant:
1 stack - 12.5% avg uptime - 6.25 effective stat
2 stacks - 14.6% avg uptime - 14.6
3 stacks - 14.5% avg uptime - 21.75
4 stacks - 14.25% avg uptime - 28.5
Final stack - 31.5% avg uptime - 189

Total effective = 260.1 of the single stat

This means that unless your secondary stats are skewed to the tune of one stat being .65 (normalized) greater than the next (ie. if primary stat is 1 and haste is worth .85 and the next best stat is mastery at .20 with crit and vers at 0.19 or lower) then it's better to take two separate enchants on your weapon.

Hope that helps picking your weapon enchant preference.

Комментарий от Previdencia

Works great for a protection paladin. It heals a lot.

Комментарий от Korru

For my holy paladin it seems to account for about 2% of my healing with a 9% uptime. My highest secondary stat is mastery followed by crit.

Комментарий от Bursi

The hot popped up while I was mounted and ran through mobs. My only healing effect was Резонирующий щит, so it procs from absorbs as well.

Комментарий от Fogde

Can confirm this progs of Atonement, just had a duel to test it (I used him more as a target doll then an actual fight :p). Over 4min it did 103.8k healing or 11.8% of my total healing

Комментарий от Dermody

Is the HOT actually called "Coastal Surge"? I've been healing myself in Orgrimmar just trying to get it to proc for about 15 minutes. Not a single proc that I can see.

Комментарий от obbig

I've found the BFA enchants very useful for levelling alts. I'll make an heirloom weapon with my enchanter, throw a BFA enchant on it and mail it to the low lvl alt. The chant scales as your level increases and it's only 1 chant used through the whole levelling process. Same goes for the ring enchants of course.

Комментарий от camshasgirl

Poorly worded description; makes it seem like you'd be healing the target of the weapon. "Use: Permanently enchant a weapon to sometimes cause the wielder's helpful spells to put a short heal over time effect on the target for 10 sec."

Комментарий от Bursi

Ticks with 190 HP during 9.0.2 prepatch.

Комментарий от oylex

Seems to work only in combat.

On my level 30, it ticks for 100hp.

It shows up as a buff called "Coastal Surge", the icon is like a green cloud.

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Чары для оружия - прибрежная волна

Уровень предмета: 50

Использование: Применяет к оружию постоянные чары, которые позволяют благотворным заклинаниям иногда применять к цели эффект периодического исцеления на 10 sec. Не действует на предметы выше 320-го уровня.

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Battle for Azeroth 1-175 Enchanting Profession Guide - Patch 8.3

Чары для оружия - прибрежная волна

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