[Wisigote]

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Yesterday, I was arguing with a guildmate about how Prevention really works. I tried to tell her how I (and many of you readers) suppose it does, and then she puts up that her RM on Aibatt has lvl 16 Prevention and she knows everything about it.

Well, long story short, after a forum search attempt which only partially confirmed what I already knew about it, I decided to make a new thread to share thoughts and clarify some doubts on Prevention.

Presuming this table is correct (source About Flyff):

Level   %HP Healed
   1        15
   2        20
   3        25
   4        30
   5        35
   6        40
   7        45
   8        50
   9        55
  10        60
  11        65
  12        70
  13        75
  14        80
  15        85
  16        90
  17        95
  18       100
  19       110
  20       120

What we know for sure about Prevention:

1. It is a self-buff which auto-heals when your Hit Points suddenly fall down in the 0%-10% maximum Hit Points range.
2. It has a success rate.
3. The skill level determines the amount of Hit Points auto-healed.

My doubts

1. Does it kick in if total damage exceeds current Hit Points? (I think it does)
2. Does it have to be at skill level 19 to heal negative Hit Points (see question#1)
3. Does the success rate depend on skill level?
4. Does it work 100% when dueling? (I'm fairly sure it does)
5. Does the %Hit Points healed refer to Max Hit Points or received damage?

I will make an example to clarify some points, especially #5.

Max HP 2000, Current HP 1000, Prevention 16 (90% HP healed)

Case1: 1000 hit damage

1) If Prevention heals a % of Max HP, then after the hit we have:
Prevention kicks in and heals 90% of MaxHP, so the character is alive and gets healed for 1800 HP

2) Otherwise, if it heals a % of damage:
Prevention heals 90% of damage, so character is alive and gets healed for 900 HP

Case2: 1300 hit damage
1) character is alive with 1500 HP left (- 300 + 1800 = 1500)
2) character is alive with so he's left with 870 HP left (- 300 + (1300*0.9) = 870)

Does anybody have real ingame experience of this kind?

[SilverTears]

1. It does, but not always, by freezing your hp to 1 and autoheals it.
2. My crappy lv.10 prevention sometimes works. The giant hobo at that time would have killed my dex-int hybrid. I was *supposed* to be killed.
3. Yes
4. No, I died even with prevention on before in pvp
5. Depends on your % of remaining hp

[Wisigote]

Ooops, why did I post it here? I meant to put it in Build Discussion, well, maybe a mod can move it there.

[Skyfire]

Personally, I only have lvl 6 Prevention Rofl... And i always thought it worked like;

Say you have 2k hp.

prevention only heals if your under 10% and above 0% ( 0% your dead fool. Get a res )

So you'd have to be under 200hp and above 0hp.

so has a working rate of 1-200hp.

But i've had times where it didn't work when it's in that hp range.

So i'm guessing it's either bugged. Or as you said. has a working 'Chance'.


Would be nice to see how it worked. i could then use it better ^^

[Wisigote]

I'm pretty sure my Prevention 10 has a chance to heal negative HP. I was pretending to be a support for a blade guildmate at Capt Carriers 2 days ago, and got hit by a random aggro and didn't die. I wasn't buffed, mind you, and I have 1300 base hp.

[FlashOfChaos]

1. Sometimes, but not always. If you've played Pokemon(Stfu. This is only a reference.), that focus band item is like Prevention, in a way. Sometimes, your Pokemon takes a hit from an opposing Pokemon, but he/she/it was suppose to die, instead, it has ONE HP left. Same logic goes for here, but in this case, if you ever get that happen, you usually have to use a recovery item/skill before the "heal" from prevention works. Like, you use food while on 1 HP mode thing. Then, you'd recover HP gained back using Prevention, and the HP of the food you used. Handy thing cause of this, for one.

2. No, it can be at any level and still have the same effects. Higher level = more HP recovered from it, however.

3. I'd say so, yes.

4. No. It works if your HP drops below 10%, but doesn't go to 0%. If your opponent manages to knock you out OHKO when you're at 11%+ HP, then you'd die(Unless you somehow managed to use the 1HP left effect, which isn't 100% success rate, see #1.)

5. This, I actually don't know. But I'm fairly sure it's your max HP. I'll ask around, to see whether people agrees or not.

[syia]

Quote from my guide:

Prevention - This skill can often time be a true life saver, if you understand how it really works. The in-game FAQ description of this skill states: "Prevents the character from dying from critical hits by chance." This is somewhat true, if the critical damage is nearly all of your hp. For example, if you have 672HP and a monster critical hit you for 615 to 671 damage, it will activate Prevention 100% of the time. However, if you taken a critical damage that exeeds your maximum hp by a margin within 10%, it's a small chance it will activate. Example, a monster critical hit you for 673 to 739 damage out of your maximum 672HP, there is a small chance Prevention will work, but in most case, you will die. This also doesn't apply to only critical damage, this also apply to normal damage, as normal damage can trigger Prevention if the damage are within the same 10% margin range. Also understand that if the damage far exceeds the 10% margin, you will always die. Prevention will not save you if a monster has the ability to do 800-8000 damage, when you only have 672HP. As a self beneficial spell, don't neglect on training it.

Level: 01 Mp Usage:35 Effect: Recovers _15%HP Duration: 02:30+ INT*2
Level: 02 Mp Usage:35 Effect: Recovers _20%HP Duration: 02:30+ INT*2
Level: 03 Mp Usage:40 Effect: Recovers _25%HP Duration: 02:30+ INT*2
Level: 04 Mp Usage:40 Effect: Recovers _30%HP Duration: 02:30+ INT*2
Level: 05 Mp Usage:45 Effect: Recovers _35%HP Duration: 02:30+ INT*2
Level: 06 Mp Usage:45 Effect: Recovers _40%HP Duration: 02:30+ INT*2
Level: 07 Mp Usage:50 Effect: Recovers _45%HP Duration: 02:30+ INT*2
Level: 08 Mp Usage:50 Effect: Recovers _50%HP Duration: 02:30+ INT*2
Level: 09 Mp Usage:55 Effect: Recovers _55%HP Duration: 02:30+ INT*2
Level: 10 Mp Usage:55 Effect: Recovers _60%HP Duration: 02:30+ INT*2
Level: 11 Mp Usage:58 Effect: Recovers _65%HP Duration: 02:30+ INT*2
Level: 12 Mp Usage:58 Effect: Recovers _70%HP Duration: 02:30+ INT*2
Level: 13 Mp Usage:62 Effect: Recovers _75%HP Duration: 02:30+ INT*2
Level: 14 Mp Usage:62 Effect: Recovers _80%HP Duration: 02:30+ INT*2
Level: 15 Mp Usage:66 Effect: Recovers _85%HP Duration: 02:30+ INT*2
Level: 16 Mp Usage:66 Effect: Recovers _90%HP Duration: 02:30+ INT*2
Level: 17 Mp Usage:70 Effect: Recovers _95%HP Duration: 02:30+ INT*2
Level: 18 Mp Usage:70 Effect: Recovers 100%HP Duration: 02:30+ INT*2
Level: 19 Mp Usage:76 Effect: Recovers 110%HP Duration: 02:30+ INT*2
Level: 20 Mp Usage:76 Effect: Recovers 120%HP Duration: 02:30+ INT*2

Notes: To understand how Lv19 and Lv20 Prevention works, it simply temporarily boost your HP over the maximum amount you have for a short time. This meaning if you have a total 5230 maximum HP, a +110% to +120% boost from Prevention would put you at 5753HP to 6276HP, This bonus will remain effective as long as you didn't heal, use restorative HP items, or refresh/reset your HP. You will not be able to see the bonus HP. A better example to explain to you what this mean is, when you use HeapUp on yourself and letting the spell fade away, you would see your HP bar exceeding the maximum amount you have, it is exactly similar to this type of effect.

What I did forgot to mention is about that 1HP blinking state. You actually don't need to be worried about it, as it's a fake 1HP (even if you continue to take damage, you'll still be alive). To benefit from a Lv19 or Lv20 Prevention, it's wise to NOT use heal or a food item, when prevention kicks in. This is because once you do, you'll reset the 10-20% extra HP recovered from it. If you have Prevention lowered than Lv18, then you should be using the food item or get healed to recover your HP to maximum.

So to Clarify:

1. Yes, the skill works even if damage exceeds your total hit points, but only within the 10% margin range. Re-read my statemen in my quote to further understand.
2. Any level.
3. No it doesn't, success rate is the same for all levels. Level only affect the amount of HP recovered.
4. It can work 100% of the time when dueling and it can fail 100% of the time if your opponent know how to bypass it. It's easier to trigger prevention in duels at lower levels, because damage received is small (taking 40-200 dmg a hit will usually always trigger prevention in duels), but at the higher levels, when players are able to do rapid 600-1.5k dmg or even up to 5k+ in a single hit, Prevention will have a much more difficult time working.
5. It's Your character's MaxHP.

[Wisigote]

Thank you all and especially Siya. You already had my greatest admiration, this is just a confirmation ^^

[KYeh]

Prevention has a 100% success rate.

This can be demostrated by having a mob of monsters to SLOWLY kill you, and watch prevention kick in action.

Only reason it does not work, is when your HP is >10% or your hp gets reduced <[-10%]

[ItsReiko]

And thats the story of how I solo at glaphans.

[Redemptor]

Prevention Owns.

[shookie]

hello! i have a simple question about this skill. what kind of special effects should i expect when prevention activates? because as far as i can tell i havent seen it really activate. btw, mine is level 10 and i'm currently 60+ BP hybrid assist.

[Redemptor]

The effect is the exact same effect as the one you get when using Food/Vitaldrinks.

Yes, some newbies at the arena mistake it for food and spam "f00der!" on you.

[shookie]

i see.. thanks for the reply!