Grand Caster (5e Class)

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Grand Caster[edit]

Brought back through ancient magical artifacts or beings of immense power, the casters of old bring their legend back to life. Their existence is quite different, as they do not originate from their history, but of the legend they garnered.

Creating a Grand Caster[edit]

Quick Build

You can make a Grand Caster quickly by following these suggestions. First, Intelligence should be your highest ability score followed by dexterity.

Class Features

As a Grand Caster you gain the following class features.

Hit Points

Hit Dice: 1d10 per Grand Caster level
Hit Points at 1st Level: 10 + Constitution modifier
Hit Points at Higher Levels: 1d10 (or 6) + Constitution modifier per Grand Caster level after 1st


Armor: Light armor
Weapons: simple and martial weapons
Tools: A set of tools of your choice
Saving Throws: Intelligence and Dexterity
Skills: choose 4 from intelligence skills


You start with the following equipment, in addition to the equipment granted by your background:

  • (a) one martial melee weapon or (b) two simple melee weapons
  • studded leather armor
  • (a) longbow with 30 arrows or (b) shortbow with 30 arrows or (c) 2 hand crossbows with 60 bolts
  • (a) diplomat's pack or (b) dungeoneer's pack or (c) explorer's pack
  • A set of tools of your choice

Table: The Grand Caster

Level Proficiency
Cantrips Known Spells Known Features
1st +2 2 2 Cantrips, Observant, Action Surge
2nd +2 2 3 Fighting Style
3rd +2 2 4 Spellcasting, Smart Evasion
4th +2 3 5 Ability Score Improvement
5th +3 3 6 Extra Attack
6th +3 3 7 Ability Score Improvement
7th +3 3 8 High Speed Casting
8th +3 4 9 Ability Score Improvement
9th +4 4 10 Rule Breaker
10th +4 4 10 Refining the Basics, Extra Attack(2)
11th +4 4 11 Magic Resistance
12th +4 5 11 Ability Score Improvement
13th +5 5 12 Spirit of Knowledge(2)
14th +5 5 12 Intelligence Feature
15th +5 5 13 Extra Attack(3)
16th +5 5 13 Ability Score Improvement
17th +6 6 14 Action Surge(2)
18th +6 6 14 Collector Feature
19th +6 6 15 Ability Score Improvement
20th +6 6 15 Shapeshift Feature


As a Grand Caster you have access to all Cantrips but can only know up to what your level dictates. Intelligence is your spell-casting modifier.

Spell and class feature save DC = 8 + your proficiency bonus + your Intelligence modifier
Spell attack modifier = your proficiency bonus + Intelligence modifier

Action Surge[edit]

At 1st level, you can push yourself beyond your normal limits for a moment. On your turn, you can take one additional action on top of your regular action and a possible bonus action.

Once you use this feature, you must finish a short or long rest before you can use it again. Starting at 17th level, you can use it twice before a rest, but only once on the same turn.


At 2nd level, you gain proficiency, or expertise if you already have proficiency, in perception.

Fighting Style[edit]

When you reach 2nd level you can choose which way you fight and thus gain a bonus to that way of fighting.


You gain a +2 bonus to attack and damage rolls you make with ranged weapons.


While you are wearing armor, you gain a +1 bonus to AC.


When weilding a melee weapon in one hand and no other weapon, you gain a +2 bonus to damage rolls with that weapon.

Great Weapon Fighting

When you role a 1 or 2 on a damage die dor an attack you roll a 1 or 2 on a damage die for an attack you make with a melee weapon that you are wielding with two hands, you can reroll the die and must use the new roll, even if the new roll is a 1 or a 2. The weapon must have the two-handed or versatile property for you to gain this benefit.


When a creature you can see attacks a target other than you that is within 5 feet of you, you can use your reaction to impose disadvantage on the attack roll. You must be wielding a shield.

Two-Weapon Fighting

When you engage in two-weapon fighting, you may add your ability modifier to the damage of the second attack.


At 3rd level, you immediately gain the spellcasting ability of a Wizard and Warlock, and can learn spells from Wizard and Warlock spell list. You do not need any material components to use these spells. You gain spell slots at the same levels as Wizards. You regain spell slots at the same rate as Warlocks.

Smart Evasion[edit]

At 3rd level, your Armor Class equals Base AC + your Dexterity modifier + your Intelligence modifier when you are wearing light or no armor.

Ability Score Increase[edit]

When you reach 4th level, and again at 6th, 8th, 12th, 16th and 19th level, you can increase one ability score of your choice by 2, or you can increase two ability scores of your choice by 1. As normal, you can't increase an ability score above 20 using this feature.

Extra Attack[edit]

When you reach 5th level, and again at 10th and 15th, you can make an additional attack when you take the attack action.

High Speed Casting[edit]

At 7th level, you gain the ability to cast two spells a turn instead of only one. Their collective level can be no more than half your level.

Rule Breaker[edit]

At 9th level, You have been able to break past your limits. You gain +2 to your Intelligence , your maximum Intelligence becomes 24.

Spirit of Knowledge[edit]

When you reach 9th level, if you fail a saving throw you can choose to succeed once, regaining all uses at the end of a long rest. At level 13, your maximum number of charges increases to 2.

Refining the Basics[edit]

Starting 10th level, your cantrips deal an additional 1d6 damage if they deal damage.

Magic Resistance[edit]

At 11th level, you gain the ultimate magic defense. You gain advantage on all Saving Throws against magic and you get to roll 3 times for that advantage.


At 14th level, you gain proficiency, or expertise if you already have proficiency, in Intelligence saving throws and all skills related to Intelligence.


At 18th level, you have immense skill at finding rare things. You can be attuned to 2 additional magic items


At 20th level, you gain the ability of a shapeshifter. You gain the True Polymorph (5e Spell) and can cast it without using a spell slot twice, regaining use at the end of a long rest.



To qualify for multiclassing into the Grand Caster class, you must meet these prerequisites: Intelligence 14, Dexterity 14


When you multiclass into the Grand Caster class, you gain the following proficiencies: choose 2 from intelligence skills

(one vote)

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