Game Mechanics: Difference between revisions

(Added life/mana leech section.)
 
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=== Leech Reductions ===
A skill like Leap Attack is considered a ranged attack, and will therefore apply the ranged attack reduction '''and''' the Leap Attack reduction.
 
'''Attack leech reduction'''
* ''Melee Splash:'' 1/2 [<span class="d2-red">Life</span>/<span class="d2-blue">Mana</span>]
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'''Skill leech reduction'''
* ''Blade Shield:'' 1/42 [<span class="d2-red">Life</span>/<span class="d2-blue">Mana</span>]
* ''Leap Attack:'' 1/3 [<span class="d2-red">Life</span>]
 
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=== Leech Formula ===
 
<code>leeched life/mana = [[[leech * attack_reduction * skill_reduction] * 64 * difficulty_reduction] * physical_damage * drain_effectiveness / 64 / 100]</code>
# Apply Attack and Skill reductions, truncate any decimals
 
# Multiply the leech value by 64
''Note: Bracketed values are rounded down''
# Apply the Difficulty reduction
 
# Get life leeched amount based on physical damage dealt
# Apply monster drain effectiveness
# Divide the final value by 64, truncate any decimals
 
As an example, consider a Barbarian with 7% Life leech, using Leap Attack (5k damage) against The Cow Queen:
* <span class="d2-gold">[[[</span><span class="d2-white">7 * 1/2 * 1/3</span><span class="d2-gold">]</span><span class="d2-white"> * 64 * 1/3</span><span class="d2-gold">]</span><span class="d2-white"> * 5000 * 0.2 / 64 / 100</span><span class="d2-gold">]</span>
# <span class="d2-white">7 / 2 / 3 = 1</span>
#* <span class="d2-gold">[[</span><span class="d2-white">1 * 64 * 1/3</span><span class="d2-gold">]</span><span class="d2-white"> * 5000 * 0.2 / 64 / 100<span class="d2-gold">]</span>
#* <span class="d2-gold">[</span><span class="d2-white">21 * 5000 * 0.2 / 64 / 3100</span><span class="d2-gold">]</span><span 21class="d2-white"> =</span> <span class="d2-red">3hp leeched</span>
 
# <span class="d2-white">21 * 5000 / 100 = 1050</span>
# <span class="d2-white">20 * 1050 / 100 = 210</span>
# <span class="d2-white">210 / 64 =</span> <span class="d2-red">3hp leeched</span>
 
Another example, consider a Paladin with 9% Life leech, using Zeal (3k damage) against a Death Beatle:
* <span class="d2-gold">[[[</span><span class="d2-white">9 * 1/2</span><span class="d2-gold">]</span><span class="d2-white"> * 64 * 1/3</span><span class="d2-gold">]</span><span class="d2-white"> * 3000 * 0.5 / 64 / 100</span><span class="d2-gold">]</span>
# <span class="d2-white">9 / 2 = 4</span>
#* <span class="d2-gold">[[</span><span class="d2-white">4 * 64 * 1/3</span><span class="d2-gold">]</span><span 256class="d2-white"> * 3000 * 0.5 / 64 / 100<span class="d2-gold">]</span>
#* <span class="d2-gold">[</span><span class="d2-white">127585 * 3000 * 0.5 / 64 / 100</span><span class="d2-gold">]</span><span class="d2-white"> =</span> <span class="d2-red">19hp leeched</span>
# <span class="d2-white">256 / 3 = 85</span>
# <span class="d2-white">85 * 3000 / 100 = 2550</span>
# <span class="d2-white">50 * 2550 / 100 = 1275</span>
# <span class="d2-white">1275 / 64 =</span> <span class="d2-red">19hp leeched</span>
 
== Crushing Blow ==
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|-
! scope="row" | Super Uniques
| <span class="nmodomod">1/168</span> || <span class="nmod">1/168</span> || <span class="omod">1/8</span> || 1/16
|-
! scope="row" | Bosses
| <span class="nmod">?1/80**</span> ||<span class="nmod">?1/80**</span> || <span class="omod">1/8</span> || <span class="omod">1/16</span>
|-
! scope="row" | Players and Mercenaries
| <span class="nmodomod">1/2010</span> || <span class="nmod">1/2010</span> || <span class="omod">1/10</span> || 1/20
|}
 
<span>*</span> "Most Targets" refers to pets as well as normal, minion, Champion, and Unique monsters
 
<span>**</span> Affected by diminishing returns: 80 + pow(missing hp%, 2)
 
 
Also see: [https://www.theamazonbasin.com/wiki/index.php/Crushing_Blow Vanilla Info about Crushing Blow]
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It's hard to directly compare the two since there are hundreds of TCs, and PD2 has even more than LoD (mostly because of maps). But we can compare a TC from LoD to a TC from PD2 and see how the NoDrop chance has changed.
 
LetsLet's look at the TCTCs called <span class="d2-white">Swarm 2 (H)</span>, a worst case scenario, and <span class="d2-white">Act 2 (H) H2H A</span>, a common case used by many monsters. In thisthese exampleexamples, the first number is the amount of players in the game and the second number is the amount of players in the party. So p3/2 means 3 players in the game but only 2 in your party. If you used the <span class="d2-white">/players 8</span> command in single player that would be equivalent to p8/1.
 
 
Chance for NoDrop to be selected by the "pick" (i.e. the chance that ''no'' item drops):
 
{| class="wikitable"
LoD
! scope="col" | Treasure Class
! scope="col" | LoD !! scope="col" | PD2
|-
! scope="row" | Swarm 2 (H)
|
* p1/1, p2/1 = <span class="omod">83.33%</span>
* p2/2, p3/1, p3/2, p4/1 = <span class="omod">69.14%</span>
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* p7/7, p8/6, p8/7 = <span class="omod">26.47%</span>
* p8/8 = <span class="omod">21.88%</span>
|
 
PD2
* p1/1, p2/1 = <span class="nmod">40.85%</span>
* p2/2, p3/1, p3/2, p4/1 = <span class="nmod">16.64%</span>
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* p7/7, p8/6, p8/7 = <span class="nmod">0.17%</span>
* p8/8 = <span class="nmod">0%</span>
|-
! scope="row" | Act 2 (H) H2H A
|
#* p1/1, p2/1 = <span class="d2-whiteomod">256 / 3 = 8562.50%</span>
* p2/2, p3/1, p3/2, p4/1 = <span class="omod">38.78%</span>
* p3/3, p4/2, p4/3, p5/1, p5/2, p6/1 = <span class="omod">24.05%</span>
* p4/4, p5/3, p5/4, p6/2, p6/3, p7/1, p7/2, p8/1 = <span class="omod">14.29%</span>
* p5/5, p6/4, p6/5, p7/3, p7/4, p8/2, p8/3 = <span class="omod">9.09%</span>
* p6/6, p7/5, p7/6, p8/4, p8/5 = <span class="omod">4.76%</span>
* p7/7, p8/6, p8/7 = <span class="omod">3.23%</span>
#* p8/8 = <span class="d2-whiteomod">9 / 2 = 41.64%</span>
|
* p1/1, p2/1 = <span class="nmod">9.52%</span>
* p2/2, p3/1, p3/2, p4/1 = <span class="nmod">0.88%</span>
* p3/3, p4/2, p4/3, p5/1, p5/2, p6/1 = <span class="nmod">0%</span>
* p4/4, p5/3, p5/4, p6/2, p6/3, p7/1, p7/2, p8/1 = <span class="nmod">0%</span>
* p5/5, p6/4, p6/5, p7/3, p7/4, p8/2, p8/3 = <span class="nmod">0%</span>
* p6/6, p7/5, p7/6, p8/4, p8/5 = <span class="nmod">0%</span>
* p7/7, p8/6, p8/7 = <span class="nmod">0%</span>
#* p8/8 = <span class="d2-whitenmod">7 / 2 / 3 = 10%</span>
|}
 
=== Key drop rates ===
This is a common enough question that it probably makes sense just to show what the drop rates are.
 
There's very little difference between p1 and p2-p8 so group key farming isn't really necessary.
 
{| class="wikitable"
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|-
! scope="row" | Blood Raven
|11.55%||11.58%||<span class="omod">11.58%</span>||<span class="omod">11.58%</span>||<span class="omod">11.58%</span>||<span class="omod">11.58%</span>||<span class="omod">11.58%</span>||<span class="omod">11.58%</span>
|-
! scope="row" | Countess
|9.45%||9.46%||<span class="omod">9.46%</span>||<span class="omod">9.46%</span>||<span class="omod">9.46%</span>||<span class="omod">9.46%</span>||<span class="omod">9.46%</span>||<span class="omod">9.46%</span>
|-
! scope="row" | Bloodwitch
|11.55%||11.58%||<span class="omod">11.58%</span>||<span class="omod">11.58%</span>||<span class="omod">11.58%</span>||<span class="omod">11.58%</span>||<span class="omod">11.58%</span>||<span class="omod">11.58%</span>
|-
! scope="row" | Summoner
|12.83%||12.88%||<span class="omod">12.88%</span>||<span class="omod">12.88%</span>||<span class="omod">12.88%</span>||<span class="omod">12.88%</span>||<span class="omod">12.88%</span>||<span class="omod">12.88%</span>
|-
! scope="row" | Izual
|11.55%||11.58%||<span class="omod">11.58%</span>||<span class="omod">11.58%</span>||<span class="omod">11.58%</span>||<span class="omod">11.58%</span>||<span class="omod">11.58%</span>||<span class="omod">11.58%</span>
|-
! scope="row" | Nihlathak
|12.00%||12.02%||<span class="omod">12.02%</span>||<span class="omod">12.02%</span>||<span class="omod">12.02%</span>||<span class="omod">12.02%</span>||<span class="omod">12.02%</span>||<span class="omod">12.02%</span>
|-
! colspan="9"|
|-
! scope="row" | Countess (LoD)
|7.14%||9.08%||9.61%||9.80%||<span class="omod">9.80%</span>||<span class="omod">9.80%</span>||<span class="omod">9.80%</span>||<span class="omod">9.80%</span>
|-
! scope="row" | Summoner&nbsp;(LoD)
|8.62%||11.61%||12.48%||12.80%||<span class="omod">12.80%</span>||<span class="omod">12.80%</span>||<span class="omod">12.80%</span>||<span class="omod">12.80%</span>
|-
! scope="row" | Nihlathak (LoD)
|7.93%||10.41%||11.10%||11.35%||<span class="omod">11.35%</span>||<span class="omod">11.35%</span>||<span class="omod">11.35%</span>||<span class="omod">11.35%</span>
|}