Doctor

About classes | Class list | Skill list | Extended Mastery

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Class Data
Class line	Alchemist ⇢ Doctor
Description	Put on the lab coat and prove you'll stop at nothing to nurse your allies back to health.
Style		Specialty
Prerequisites	CP ×3,000 Alchemist Distinction ×20 Does It Hurt When I Do This?Complete the quest A Healer's Resolve Rewards Crystal ×50 - Clear Chapter 1 (115) Quest: A Healer's Resolve Change the Faust's Element Clear Chapter 63 Story: Boundless Joy
Level BonusesLevel bonuses are earned with levels 1, 5, 10, 15, and 20.	Lvl 1 Healing +5%   Total: Healing +15% HP 2000 Lvl 5 HP +1000 Lvl 10  Healing +5% Lvl 15 HP +1000 Lvl 20 Healing +5%
Master Bonuses	Boost to DEF when HP is full +3%
Class Weapon	Psycho Syringe
Support Skills
Medical Expertise	20% boost to greenRestore 50% of an ally's HP. Medical Expertise: increased to 60%. and blueRestore 35% of all allies' HP. Medical Expertise: increased to 42%. potion effects to all allies.
Lifesaver	Restore 10% HP to all allies (Healing cap: 1500) at end of turn if an ally is almost knocked out.
Base Multiattack Rates
Base DA RateIncluding Support Skills/Level Bonuses	1%	Base TA RateIncluding Support Skills/Level Bonuses	4%
Recommended Extended Mastery Perks
ATK, HP, Total Party HP
Recommended Subskills
Extended Mastery Skills:  NutrientsAll allies gain StrengthATK is greatly boosted based on how high HP is Strength: 45%-15%Duration: 3 turns and Recovery Cap BoostedRecovery cap is boosted Strength: 1000 HPDuration: 3 turns.: Solid increase to allies' damage and healing potential with a good duration and cooldown.  Maddening VitalityGrant another ally HypedATK is boosted Duration: 4 turns, 70% Debuff Res. UpDebuff resistance is boosted Strength: 70%Duration: 4 turns, and Counters on DMG (5 times)Counters upon taking DMG Strength: 300%Duration: 4 turnsCounter attacks grant 5% charge bar per hit.. Inflict 10% Max HP Lowered (Stackable)Max HP is lowered (Stackable) Strength: 10%Can't be removed. (Max: 90%) on ally.: Powerful buff set to an ally, especially one with SubstituteReceives foe attack in place of an ally (Excludes all-foe all-ally attacks) or Hostility UpMore likely to be attacked . Subskills:  Just the CureRestore 25% of all allies' HP (Healing cap: 1500).: If additional healing is needed, this will be the only meaningful option for most players.  Miserable MistInflict 25% ATK DownATK is lowered Strength: 25%Base Accuracy: 80%Duration: 180 secondsStacking: Dual and 25% DEF DownDEF is lowered Strength: 25%Base Accuracy: 80%Duration: 180 secondsStacking: Dual on all foes.: Overall very useful.

Skills

Icon	Skill Name	Effect	C/DCooldown in Turns	DurDuration in Turns or Seconds	SubSubskill usable on other classes	LVLClass level required	Notes
	Potion Refinement	Create 1 green potion. All allies gain VaccineRemoves all debuffs at turn end (Can't be removed) Duration: 1 turn .	6T	1T	No	1

Extended Mastery Skills

Icon	Skill Name	Effect	C/DCooldown	DurDuration	EMPCost in EMP	Notes
	Nutrients	All allies gain StrengthATK is greatly boosted based on how high HP is Strength: 45%-15%Duration: 3 turns and Recovery Cap BoostedRecovery cap is boosted Strength: 1000 HPDuration: 3 turns.	6T	3T	25
	Maddening Vitality	Grant another ally HypedATK is boosted Duration: 4 turns, 70% Debuff Res. UpDebuff resistance is boosted Strength: 70%Duration: 4 turns, and Counters on DMG (5 times)Counters upon taking DMG Strength: 300%Duration: 4 turnsCounter attacks grant 5% charge bar per hit.. Inflict 10% Max HP Lowered (Stackable)Max HP is lowered (Stackable) Strength: 10%Can't be removed. (Max: 90%) on ally.	3T	4T	40	Can't target MC. Can't be used on characters with less than 20% of their max HP.
	Adrenaline Rush	All allies gain 100% Charge Bar Gain UpCharge bar gain is boosted (Can't be removed / Shorted effect after effect ends) Strength: 100%Duration: 2 turns. Inflict ShortedCharge bar is frozen (Can't be removed) Duration: 3 turns on all allies after effect ends.	9T	2T	30

Assessment

Doctor is quite different from its healing counterparts Sage and Alchemist, and offers a powerful offensive-oriented support option for players able to get the most out of its buffs. Some of its better aspects include: great supportive options for Main Weapon, good uptime on its StrengthATK is greatly boosted based on how high HP is
buff, ability to ramp and maintain HypedATK is boosted
, access to the most potent Charge Bar Gain UpCharge bar gain is boosted
buff available, and it has the highest single-target healing through its green potions. However, almost all of a Doctor's benefits are localized to their own party, making them a selfish class option when compared to Sage, spear-wielding Apsaras, or even a supportive Runeslayer.

Selecting skills for Doctor will typically change based on the rest of your party, as with many advanced classes. Some of the more notable options are:

•  NutrientsAll allies gain StrengthATK is greatly boosted based on how high HP is
  Strength: 45%-15%Duration: 3 turns and Recovery Cap BoostedRecovery cap is boosted
  Strength: 1000 HPDuration: 3 turns. — Doctor's default EM skill choice. Most of its noticed value will come from the StrengthATK is greatly boosted based on how high HP is
  buff it provides, but the Recovery Cap BoostedRecovery cap is boosted
  puts in a ton of work since it's a large relative increase to otherwise small heals such as RefreshHP is restored on every turn
  , DrainDamage dealt is partially absorbed to HP
  , and the Doctor's support skill Lifesaver.
•  Maddening VitalityGrant another ally HypedATK is boosted
  Duration: 4 turns, 70% Debuff Res. UpDebuff resistance is boosted
  Strength: 70%Duration: 4 turns, and Counters on DMG (5 times)Counters upon taking DMG
  Strength: 300%Duration: 4 turnsCounter attacks grant 5% charge bar per hit..
  Inflict 10% Max HP Lowered (Stackable)Max HP is lowered (Stackable)
  Strength: 10%Can't be removed. (Max: 90%) on ally. — Always worth considering, this EM skill will turn an ally into a bit of monster. A good option for a party that already wants to focus hostility onto a specific ally or if the party has one ally with a particularly high damage potential they need help reaching. Becomes more compelling in shorter fights where this skill's downside can't become a liability. See the Hype page for more information on the HypedATK is boosted
  status effect.
•  Adrenaline RushAll allies gain 100% Charge Bar Gain UpCharge bar gain is boosted (Can't be removed / Shorted effect after effect ends)
  Strength: 100%Duration: 2 turns.
  Inflict ShortedCharge bar is frozen (Can't be removed)
  Duration: 3 turns on all allies after effect ends. — The most situational EM skill option, but very powerful with the right support. Has very strong synergy with boosts to charge bar like summon calls such as Uriel's Terrablaze, character abilities such as Medusa's Eyes for Only You, and charge attacks such as the AK-4A's Lethal Scorpion or Arulumaya's Selene Timoria.
•  Just the CureRestore 25% of all allies' HP (Healing cap: 1500). — Recommended for party-wide healing whenever Doctor can't get by with their limited stock of blue potions. Has an upgrade available from Psycho Syringe's Emblem of Humanity.
•  Bard SongHarp: All allies gain RefreshHP is restored on every turn
  Strength: 5% maximum HP
  (Healing cap: 300 HP).
  Others: All allies gain RefreshHP is restored on every turn
  Strength: 3% maximum HP
  (Healing cap: 150 HP). — Very situational, but has potential to be worth considering in rare cases. Combined with Doctor's Nutrients buff, this can heal upwards of 3750 over its 5-turn duration but requires a very large HP pool (over 38k to get the max healing). Doctors should generally avoid this, but it may sometimes be helpful.
•  Splitting SpiritSacrifice 50% of current HP to increase charge bar by 3% for every 250 HP lost. — Useful for topping off when the Doctor needs to use a charge attack (especially ones that buff the party), and the HP cost can be offset by a green potion.
•  Out of SightGain Hostility DownLess likely to be attacked
  . Target ally gains Hostility UpMore likely to be attacked
  . — Not typically a consideration, but combos very well with Maddening Vitality if the Doctor has someone in their party that loves trading punches. Has a soft synergy with Psycho Syringe's DEF Up (Stackable)DEF is boosted while active (Stackable)
  buff, so Doctors using both their class weapon and Maddening Vitality may get enough value out of this skill.
•  Miserable MistInflict 25% ATK DownATK is lowered
  Strength: 25%Base Accuracy: 80%Duration: 180 secondsStacking: Dual and 25% DEF DownDEF is lowered
  Strength: 25%Base Accuracy: 80%Duration: 180 secondsStacking: Dual on all foes. — Commonly taken if the Doctor's party is unable to shred foes' defenses sufficiently on their own.
•  Rain of Arrows III300% elemental damage to all enemies.
  Inflict 25% ATK DownATK is lowered
  Strength: 25%Duration: 180 seconds. — A fallback option if nothing else is really needed. Can help lower incoming damage.

Since they're a supportive class, Doctors should revisit their skill options from time to time and think about what their current needs are. As long their skills are be selected with both their allies and their foes in mind they'll be sure to get a lot of value from them.

If able to pick a Main Weapon to support their team, Doctor has several potent options in most of the elements. Some supportive Main Weapon options to consider include AK-4A, Phantasmas, and the many daggers that provide TA UpTriple attack rate is boosted
to all allies such as the Four-Sky Blade series. Doctor also has some other interesting options such as Arsene, Mirror-Blade Shard, Spymur's Vision, Plume of Suparna, and Arachne which could prove very effective against certain bosses.

Overall, Doctor is a compelling, flexible support option for damage-oriented players that want to keep their own party healthy.

Resources

• Reddit Class Discussion (2019-08-16)
• Reddit Class Discussion (2020-03-21) (post-January 2020 Update)