here's my take on a Heroic Spirit Alchemist:
True Name: &$@&#%?
Class: Foreigner
Alt Classes: Caster, Assassin, Archer
Stats:
Strength: C
Endurance: B++
Agility: D++
Magic: EX
Luck: A
Class Skills:
Item Contruction: A++
True Name Discernment (False): B
Existence Outside of the Domain: EX
Territory Creation: A+
Personal Skills:
Prototype Blessing of Gaia: EX
True Shot: A
Holmcross Dragon-Kind: EX
Pinnacle-Slayer: A+++
Golden Rule: EX+++
Materia Consumption: A
Noble Phantasms:
World Breaker: thus life was no more.
Anti-Planet, EX
Summons 16 Meteors that destroys a Earth Sized Celestial Body.
Inventory: Armor and Weapons.
Anti-Unit ~ Anti-Group E ~ A+
Contains a large amount of weapons of almost every type, and every Era ranging from something the common peasant soldiery may use to God Slaying Weapons, and even technological wonders
The Dark Soul, The Age of Dark.
Age of Man ~ Anti-Divinity EX, SEALED
Heralds of the Age of Dark, the Age of Man, little else could be said.
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EDIT note and stuff
Changed God-Slayer to Pinnacle Slayer as I realized Alchemist has also consistently killed Dragons and other beings who are at the Apex of their respective worlds.
here's a description of what the various skills that I made alongside the reasons why Alchemist possesses some of the other skills and what skills he could of possessed but didn't give him.
Original skills:
Prototype Blessing of Gaia grants the user to continue to grow even as a heroic spirit, a existent usually stagnant and unchanging, beyond that it grants immunity to Annihilation. the skill itself is also a composite skills that grants abilities similar to Imperial Privilege, All Things in Nature, and Child of Nature.
True Shot is a superior skills that is the fusion of Marksmanship, Aiming and Hawkeye, as the Archer Class this Skill becomes a Noble Phantasm similar to Gae Bolg.
Holmcross Dragon-Kind is a Ultimate Skill made of Homunculus, Dragon-Kind Self Modification, and Golem, three 'superior' skills made of multiple other skills including but not limited to: Dragonic Core, Monsterous Strength, Magic Resistance, ect. Also allows the user to assume their draconic form, and grants incredible Durability (not necessarily Endurance)
Pinnacle-Slayer is a superior skill made up of Beast, Demon, Dragon, God and TYPE Slayer. Alchemist gained this skill for slaying and defeating multiple enemies who are at the apex of of their local part of the multiverse, such as The Last Dovahkin, God of Dragons Bahamut, The Nameless King, Slave Knight Gael, Ultima Weapon, Bael the Primarch of the Ars Goetia, And finally the Corrupted Life Entity.
Materia Consumption allows for the consumption of magic as long as it is in a Solid State (potentially a Liquid State) and to gain abilities and skills from said Mana.
Non-Original skills and why I gave them to him:
Item Construction, Existence Outside of the Domain, and Territory Creation are pretty self explanatory as Alchemist crafts a lot of stuff, EOotD because he's from the 'Real' world alongside having pretty high Insight (enough to drive someone who's looking at his mind second hand insane) and finally Territory Creation because he made himself a pocket reality that's attached to his soul something that's basically a Reality Marble.
True Name Discernment (False) is because he'd be able to tell who most servants are by looking at them, (False) is due to the fact he doesn't get this knowledge from the Grail.
Now For a Golden Rule that would make Gilgamesh envious… Alchemist is Rich, he has a lot of gold, rare and special materials, magical books and items, but in points to buy stuff with and even get perks with. Alchemist as the full potential to surpass Gilgamesh's "All the World's Treasure" easily. So while Gilgamesh may be wealthier his Sheer potential is much much lower then Alchemist.
Besides this Fiscer could you post a Jinx's and Kary's current Stats and Gear so I can make a Stat page from both of them?