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Job Base(s): Alchemist
Job Type: 2-2 Transcendent
Changes At: Juno×
Number of Skills: 4
Total Skill Points: 27
Total Quest Skills: 0
Job Bonuses
STR AGI VIT INT DEX LUK
+4 +6 +3 +7 +14 +11



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Overview


With knowledge comes understanding, and with understanding comes mastery. The Biochemist's unyielding dedication to research and experimentation have raised them to the summit of scientific knowledge. Now that their proficiency with potions and chemicals is unmatched, they are on the verge of manipulating the very laws of nature!

Biochemists are a much stronger class than the Alchemists, provided there are sufficient funds and SP for the new skill Acid Bomb× (often abbreviated to "AB" or "AD" as it is known as Acid Demonstration on some other official servers.). While Alchemists were more of a melee class, Biochemists tend to level with skills other than Cart Revolution× and Mammonite×. Many invest a great amount of their stat ponts into INT and level with Acid Bomb or magic attacks from weapons (i.e. Fire Bolt× through the weapon Fireblend) and Homunculi instead.

Biochemists are a popular class in iRO because of the amount of damage they can deal, along with the current lack of methods to counter their offensive skills, when they are used properly.

Job Change Guide


To become a Biochemist, you must find a book called 'the Book of Ymir' in 'Sage Castle', Juno×. The book will lead you to Valhalla so you can change your job through the Lord Knight job NPC×. Also you must reach at least job level 40 as a transcendent 1st class character.

1.Sage Castle is located at 11 o'clock direction (yuno 88,320) in Juno.

2.'Book of Ymir' is located inside a room behind an NPC called Metheus Sylphe (yuno_in02 88,164).

3.The Book of Ymir (yuno_in02 94,206) will teleport you to Valhalla.

4.Find and talk to a job NPC suited to your 2nd class.

  • Note: After becoming a Biochemist, if the player knew Bioethics× in their prior life, they can regain it by speaking to the Job Change NPC in Valhalla a second time.

Builds


Acid Bomb (VIT)

The VIT-heavy AB build gets the most out of the Alchemist skills Aid Potion× and Potion Research×. It's a good choice for soloing MVP×s that stun or damage lock. This build can also make a good tank in WoE×.

Suggested skills are Acid Bomb Lv. 10, Aid Potion Lv. 5, Potion Research Lv. 10, Homunculus Resurrection× Lv. 1, and either Full Chemical Protection× Lv. 5 or Aid Condensed Potion× Lv. 10 ,Armor×/Weapon×/Shield×/Helm× coatings all at Lv. 3, or Full Chemical Protection.

Acid Bomb (DEX)

  • STR: 1
  • AGI: 1
  • VIT: 1-70
  • INT: 99 (base)
  • DEX: 95-149
  • LUK: 1
The DEX-heavy AB build maximizes damage output with Acid Bomb. They aim to cast Acid Bomb faster than their MVP competition or while attacked by other players without the cast being interrupted.

The skills suggested are the same as for the VIT version. Though, the Chemical Protections aren't as important for this type of character; instead, consider Summon Flora× and Aid Condensed Potion.

At 150 dexterity, the bombing rate is slower than 149 Dexterity despite being instant cast due to the introduction of an irreducible delay. To bomb as quickly as possible, it would be ideal to have 149 Dexterity, 190 attack speed, and be in Magic Strings×

AB/Potter

  • STR: 1
  • AGI: 1
  • VIT: 40-60
  • INT: 93-99 (base)
  • DEX: 66-76 (base)
  • LUK: 37-67(base)
This Biochemist build is built for WoE, and at the same time, enjoys good potting success. (base pot success chance of abt 75%-80% at max job level) The LUK also makes up for the lack of high VIT for status resistance in WoE. LUK also helps in resisting effects such as Frozen× status and Stone×, which can be devastating in WoE. Low VIT also means that this class is also good for taking on other Biochemist's Acid Bomb.

Potter (MC)

  • STR: 1
  • AGI: 1
  • VIT: 1
  • INT: 94-99 (base)
  • DEX: 36 (base)
  • LUK: 94-99 (base)
A Biochemist built for Prepare Potion× should be built for Marionette Control× to maximize the success rate. Getting 99 base INT rather than DEX can be preferable as it boosts Acid Bomb damage considerably and lowers the Prepare Potion success rate by only ~0.25%.

Hybrid


If the concept of making a character primarily dependent on one skill is not appealing, Biochemists can also be built like a normal battle Alchemist. Invest stat points into STR and AGI but be sure to keep INT in mind for Acid Bomb. Fair warning though, a significant drop in INT will cause the damage of Acid Bomb to drop.

Tactics


PvM

Acid Bomb while expensive yields good exp-rates (20m exp/hour) in maps like Thanatos Tower and Biolabs 3. Try to get a Priest to cast Lex Aeterna× on the monster first though. Slaves are affordable compared to the 10m zeny+ per hour of leveling costs for this method.

MVP

The cost of Acid Bomb is overcome by the zeny gained from MVPing while solo or in small parties. A Biochemist will usually beat the competition on almost any MVP. With enough VIT, it's possible to solo MVPs that most people have trouble tanking.

PvP

Acid Bomb will one-shot a considerable amount of players in PvP×.

WoE

A Biochemist is an excellent tank, has access to Chemical Protections and can kill the enemy tanks with ease. They, along with a properly scripted AI for their Homunculus, are one of the best WoE-classes.

Equipment


A Biochemist built for Acid Bomb should aim for equipment that adds INT or, sometimes, that gives a significant amount of DEX. However, these equipments are a general guide.

Suggested Cards


Class Data


Skills


Below are listed the skills that are unique to the Biochemist class. For more information about Alchemist skills, click here.

Skill Description Levels Type
Acid Bomb× Consume 1 Bottle Grenade× to hurl the contents of both items at a targeted enemy to inflict an amount of damage affected by this skill's level, the caster's INT, and the target's VIT. 10 Offensive
Aid Condensed Potion× Uses a condensed potion to heal all of the caster's party members, guild×, or an allied guild within a 7x7 cell area around a targeted spot. Level affects color of potion used. 10 Supportive
Cultivate Plant× Attempt to create a random type of Mushroom (Lv.1) or Plant (Lv.2) with a 50% success rate. Disabled in WoE. 2 Active
Full Chemical Protection× Protects the armor, weapon, helmet and shield of a party member from being damaged or stripped for the skill's duration. 5 Supportive

Unimplemented Skills



Job Bonuses


Stat\Amount +1 +2 +3 +4 +5 +6 +7 +8 +9 +10 +11 +12 +13 +14
STR 6 31 53 66
AGI 5 18 27 38 54 67
VIT 9 33 61
INT 7 13 22 30 46 59 68
DEX 1 10 15 23 35 41 42 43 47 49 56 57 63 70
LUK 3 8 20 25 34 45 51 52 60 64 69

ASPD



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