* Savage Impact
- Reduces cooldown from 1 second to 0.7 seconds.
- Increases area of effect from 5 x 5 cells to 7 x 7 cells based on level 10.
- Applies AP recovery rate by 2.

* Shadow Stab
- The skill will deal damage for 2 hits.
- While under Cloaking Exceed buff, increases number of hit to 3 hits with higher damage per hit.
- Increases factor weight of POW in skill formula while under Cloaking Exceed buff from 5 to 7.
- Increases base damage from 1500%Atk to 1750%/2000%Atk per hit based on level 5.

* Oleum Sanctum
- Reduces cooldown from 2 seconds to 1.5 seconds.
- No longer require Holy Water on casting.
- Reduces area of effect from 11 x 11 cells to 9 x 9 cells based on level 5.

* Explosion Blaster
- Adds global cool time by 1 second.
- Increases SP consumption from 90 to 125 based on level 5.
- Reduces area of effect from 11 x 11 cells to 9 x 9 cells based on level 5.
- Reduces base damage of from 14000%Atk to 12000%Atk based on level 5.
- Increases base damage against Oleum Sanctum debuff from 16000%Atk to 17600%Atk based on level 5.
- Reduces factor weight of POW in skill formula (without Oleum Sanctum debuff) from 15 to 10.

* Massive Flame Blaster
- Adds global cool time by 0.5 seconds.
- Reduces area of effect from 11 x 11 cells to 9 x 9 cells.
- Increases base damage from 21500%/23000%Atk to 23000%/24500%Atk based on level 10.

Communication between the login-server and the client is now done with structs.
Moved the definition of the global reusable packet buffer to socket.hpp

* Framen
- Increases base damage from 4000%/4500%Matk to 4750%/5250%Matk based on level 5.

* Arbitrium
- Reduces cooldown from 1.5 seconds to 1 second.
- Increases SP consumption from 112 to 125 based on level 10.
- Applies AP recovery rate by 2.
- Increases base damage of area damage from 12500%Matk to 17500%Matk based on level 10.
- Increases factor weight of Fidus Animus skill level in skill formula of area damage from 100 to 500 based on level 10.
- Increases factor weight of SPL in skill formula from 7 to 10.

* Petitio
- Reduces area of effect from 9 x 9 cells to 7 x 7 cells based on level 10.
- Increases factor weight of Mace & Book Mastery skill level in skill formula from 100 to 500 based on level 10.

* No Limits (Ranger)
- No longer be removed by Dispell or Clearance.

* Calamity Gale
- Increases duration from 60 seconds to 180 seconds.
- Reduces cooldown from 300 seconds to 180 seconds.

Note: it was not implemented
- No longer be removed when using No Limits.

* Gale Storm
- Reduces cooldown from 1.5 seconds to 1.2 seconds.
- Increases SP consumption from 100 to 120 based on level 10.
- Increases base damage from 9500%Atk to 10000%Atk based on level 5.
- Reduces area of effect from 11 x 11 cells to 9 x 9 cells based on level 10.

Note: CON weight was already 10
- Increases factor weight of CON in skill formula from 5 to 10.

* Crescive Bolt
- Increases cooldown from 0.15 seconds to 0.35 seconds.
- Increases global cool time from 0.3 seconds to 0.7 seconds.
- Increases base damage from 3400%Atk to 9400%Atk based on level 10.

Additionnally
- Removed leftover Deep Blind Trap / Solid Trap / Swift Trap / Flame Trap status ailments in `skills_db.yml` (from previous rebalance)
- Corrected WH HAWK BOOMERANG and WH_HAWKBOOMERANG formula according to the Korean description of the skill.
- Included WH_NATUREFRIENDLY in the damage formula of WH_HAWKRUSH and WH_HAWKBOOMERANG (x1.5 at level 5) (source: tests on KRO)

Thanks to @datawulf

* Rain of Crystal
- Reduces area of effect from 19 x 19 cells to 13 x 13 cells based on level 5.
- Increases SP consumption from 100 to 125 based on level 5.

* Crimson Arrow
- Reduces SP consumption from 94 to 90 based on level 5.
- Increases base damage of linear damage from 1500%Matk to 1750%Matk based on level 5.
- Increases base damage of explosion damage from 3000%Matk to 3500%Matk based on level 5.

* Storm Cannon
- Reduces SP consumption from 94 to 88 based on level 5.
- Increases base damage from 4750%/6250%Matk to 6000%/7500%Matk based on level 5.

* Rock Down
- Reduces SP consumption from 94 to 88 based on level 5.
- Increases base damage from 4750%/6250%Matk to 6000%/7500%Matk based on level 5.

* Frozen Slash
- Increases SP consumption from 96 to 115 based on level 5.
- Increases base damage from 4750%/6650%Matk to 4900%/6800%Matk based on level 5.

* Destructive Hurricane
- Increases cooldown from 2 seconds to 2.5 seconds.
- Increases base damage from 14250%Matk to 14850%Matk based on level 5.
- Reduces damage bonus from Climax level 3 from 200% to 150%.
- Changes damage modifier from Climax level 5 from 50% increasing to 20% reducing.
- Increases SP consumption from 132 to 186 based on level 5.

* Crystal Impact
- Reduces area of effect from 15 x 15 cells to 13 x 13 cells based on level 5.
- Increases SP consumption from 132 to 186 based on level 5.
- Reduces area of effect bonus from Climax level 5 from entire screen to 15 x 15 cells.


Co-authored-by: Lemongrass3110 <lemongrass@kstp.at>

Fixes #7634

Thanks to @OptimusM and @laziem

It should skip the entire packet

* Cross Rain
- Reduces cooldown from 4.5 seconds to 2.4 seconds.
- Reduces skill duration from 4.5 seconds to 2.4 seconds based on level 10.
- Increases factor weight of Spear & Sword Mastery skill level in skill formula from 50/100 (Holy Shield) to 100/150 (Holy Shield) based on level 10.
- Increases factor weight of SPL in skill formula from 5 to 7.
- Reduces AP recovery rate from 7 to 4.

* Shield Shooting
- Reworks skill to dealing damage to surrounding enemies within 7 x 7 cells around the target.
- Reduces cast range from 11 cells to 9 cells.
- Increases factor weight of Shield Mastery skill level in skill formula from 75 to 250 based on level 5.
- Increases base damage from 11900%Atk to 14900%Atk based on level 5.
- Increases factor weight of POW in skill formula from 5 to 7.
- Increases factor weight of shield refine rate in skill formula from 4 to 25.

* Rhythm Shooting
- Increases cooldown from 0.15 seconds to 0.35 seconds.
- Increases base damage from 800%/1400%Atk to 3700%/4550%Atk per hit based on level 5.
- Increases factor weight of CON in skill formula from 3 to 5 (7 on targets marked with sound brand).

Additionally
- The effect from Rhythm Shooting does not remove SC_SOUNDBLEND anymore (written in the skill description)

* Metallic Fury
- Reworks skill to dealing damage to surrounding enemies around the target (9 x 9 cells based on level 5).
- Increases cooldown from 0.3 seconds to 0.4 seconds.
- Increases global cool time from 0.3 seconds to 0.5 seconds.
- No longer remove sound brand debuff from target. (doesn't mention it changelog but it works)
- Increases base damage from 11000%Matk to 13000%/18000%(targets marked with sound brand)Matk based on level 5.
- Increases factor weight of SPL in skill formula (on targets marked with sound brand) from 1.5x of Stage Manner skill level to 2x of Stage Manner skill level.

* Madness Crusher
- Reduces SP consumption from 68 to 55 based on level 5.
- Increases base damage from 4400%Atk to 8350%Atk based on level 5.
- Increases factor weight of POW in skill formula from 7 to 10.

* Storm Slash
- Increases cooldown from 0.3 seconds to 0.35 seconds.
- Reduces SP consumption from 60 to 55 based on level 5.
- Increases base damage from 950%Atk to 2200%Atk per hit based on level 5.
- Increases the chance to double skill damage while under Giant Growth buff from 30% to 60%.

* Hack and Slasher
- Increases base damage from 7300%Atk to 7700%Atk per hit based on level 10.
- Reduces area of effect from 9 x 9 cells to 7 x 7 cells based on level 10.
- Applies critical damage, the critical chance is the user's Cri.

Co-authored-by: Lemongrass3110 <lemongrass@kstp.at>

Axe Stomp
- Increases SP consumption from 74 to 85 based on level 5.
- Increases base damage from 4600%Atk to 5150%Atk per hit based on level 5.

Mighty Smash, Spark Blaster  and Triple Laser are already up-to-date

When the "NoSave" of SC_BOSSMAPINFO is removed, this could lead to issues after a character logs back in.

Fixes #8083

Thanks to @Gyakushinn

* Abyss Dagger
- Increases cooldown from 0.3 seconds to 0.4 seconds.
- Increases SP consumption from 64 to 76 based on level 5.
- Increases base damage from 2600%Atk to 4600%Atk based on level 5.

* Frenzy Shot
- Increases cooldown from 0.2 seconds to 0.35 seconds.
- Increases SP consumption from 55 to 65 based on level 10.
- Increases number of hit from 1 hit to 2 hits.
- Increases base damage from 4000%Atk to 6150%Atk based on level 10.
- Increases factor weight of CON in skill formula from 5 to 15.

* Deft Stab
- Removes a chance to trigger the skill one more time.
- Increases SP consumption from 62 to 72 based on level 10.
- Increases cooldown from 0.3 seconds to 0.7 seconds.
- Reduces base damage from 5850%Atk to 3750%Atk based on level 10.
- Changes damage logic from 5 split hits to 5 cumulative hits.

Co-authored-by: Lemongrass3110 <lemongrass@kstp.at>

* Monsters spawn times is significantly reduced.

* Corrected item Locations
* Added missing effect when autobonus is triggered for some snow and glacier enchants
* Updated item Trade

Follow up to 66dddb3 (rathena/rathena#7996)

Fixes RK_DRAGONBREATH handling when DK_DRAGONIC_AURA is not skilled

* The splash area should be 9x9 according to skill description

Fixed #8079
Thanks to @Jaikayray

* Moved IG_GRAND_JUDGEMENT with other splash skills in skill_castend_damage_id

Co-authored-by: Lemongrass3110 <lemongrass@kstp.at>

Fixed #8080

Thanks to @Jaikayray

Taken from #7024

Co-authored-by: munkrej <schmunk@posteo.de>

The order of the checks was wrong and therefore the if could never be reached.

Co-authored-by: munkrej <schmunk@posteo.de>

* Removed the use of killedrid in the script in case the killer is not a player.

* Updated Base exp
* Updated job exp

Improved memleak location reporting for parse_script

Taken from #7024

Co-authored-by: munkrej <schmunk@posteo.de>
Co-authored-by: Aleos <aleos89@users.noreply.github.com>

Updated Level 250/50 to 260/55.
Hp and Sp are unknown.
Additionally updated Super_Novice_E job level from 50 to 70 (note: this class doesn't get additional stats by job level).

* Double Bowling Bash
- Reduces knock-back distance from 2 cells to 1 cell.
- Increases base damage from 2650%Atk to 3200%Atk per hit based on level 10.

* Mega Sonic Blow
- Increases cooldown from 0.3 seconds to 0.35 seconds.
- Increases base damage from 5350%Atk to 8400%Atk based on level 10.

* Shield Chain Rush
- Increases cooldown from 0.3 seconds to 0.35 seconds.
- Increases base damage from 5100%Atk to 5700%Atk based on level 10.

* Spiral Pierce Max
- Increases cooldown from 0.3 seconds to 0.35 seconds.
- Increases base damage from 4050%Atk to 8700%Atk based on level 10.

* Hell's Drive
- Increases SP consumption from 98 to 115 based on level 10.

* Ground Gravitation
- Increases SP consumption from 100 to 120 based on level 10.

* Breaking Limit
- Increases damage bonus of Mega Sonic Blow and Spiral Pierce Max from 70% to 100%.
- Increases damage bonus of Double Bowling Bash and Shield Chain Rush from 50% to 70%.

Fixed #8072

Thanks to @LadyNanuia

Corrections of several Archmage skills and High wizard skill HW_MAGICPOWER :
    AG_FROZEN_SLASH : 3 hits are displayed instead of a single hit.
    TargetType of 4th ground skills is now Ground. Ground skills don't trigger HW_SOULDRAIN. Skills affected :
        AG_VIOLENT_QUAKE_ATK
        AG_ALL_BLOOM_ATK
        AG_ALL_BLOOM_ATK2
        AG_CRYSTAL_IMPACT_ATK
        AG_ASTRAL_STRIKE_ATK
    Fixed cast time of HW_MAGICPOWER is not affected by item bonus anymore.