In Final Fantasy XV, Tonitrus Lucis Caelum, aka the Fierce, one of the ancient King, known for his ruthless savageness and was feared as a veritable beast. He was friendly and cared for his subjects. He ruled as a king during Luci’s 2,000-year-old history. When he passed, his soul entered the Ring of Lucii, and his spirit also was created into a statue.
As the King of yore monument states:
“A valorous king who, with his unparalleled military might, won glory against his foes and defended his nation from harm. Though dubbed ‘the Fierce’ for his ferocity in the field, Tonitrus was also a compassionate king who cared deeply for his subjects.”
– King of yore monument
Noctis, the last of the Lucian lineage, embarks on a mission to collect the royal arms of his ancestors and acquires the Fierce’s mace. After obtaining Crystal’s Power, Noctis and his advisors return to Insomnia, where they approach the Fierce enslaved by Starscourge. The Fierce is finished off by Noctis’ friend Gladiolus who dual-wields his greatsword with Genji Blade to defeat him.
Now in FFXV: A New Empire, we can summon him to help us charge our opponents or defend us in our honor!
In this guide, we will cover:
- Quick review about Conclave of Lucis
- Tonitrus Skill Tree/Sigil Chart
- How should we skill him?
- Somnus vs. Tonitrus
Let’s summon Tonitrus into the Conclave of Lucis!
Conclave of Lucis
The Conclave of Lucis requires a building unlock. As of now, it still only achievable from the Gold Store. Once opened, you can summon the spirit, similar to how you summon the Astrals and Mounts.
To unlock this summon, he requires a level one Conclave of Lucis and 100,000 Tonitrus Empowerment Sigils.
Once the mightly King is summoned, he will provide passive boosts to your Troops. You do not send him in a march, so do not fret. If you are defending your Empire, the Crystal, Tiles, you name it. He is there for you! The same goes for attack mode.
The Summoning Power will dictate the strength of your spirit. Each of the spirits will have its own Summoning Power, again just like the Astrals and Mounts. The higher the Summoning Power, the better your attack and health stats will be.
Tonitrus
The second of the bloodline available for us to summon in Final Fantasy: A New Empire! Remember (yes, some of us forget, don’t judge!) to summon him to activate his boost. Conclave of Lucis DOES NOT provide multi summon defense so you must pick which one works better for you.
Keep in mind, if you are not using him outside of your Empire, just like Astrals and Mounts, he is standing alongside with them defending in your honor. He specializes in City Assault and comes with ample attack bonuses for your Dark Cavalries, Airships, and your Fire Troops.
He will require Tonitrus Empowerment Sigils and currently maxes at level 50 as well.
Check out the Sigils chart below!
When unlocked, he will come with three Skill Points right out the gate; however, he is leveled locked, so choose where to place your points wisely! I will make a note of the requirements as we get into his Skill Tree to provide some insight on that so you can better prepare yourself and save the time of having to reskill it even though it’s’s free. Just remember that as we go down the tree, that you need to add up the Skill Points required, so you do not sell yourself short.
Let’s break down his Skill Tree to see what benefits he can bring to you and your Empire!
Tonitrus Skill Tree
*stats are at maxed level (50)
Tonitrus Summoning Power
Increases Tonitrus Summoning Power by 42,000%. Summoning Power instantly enhances the attack and health of your troops.
Tonitrus: Dark Troop Armor
*requires level three and two Skill Points into Tronitrus Summoning Power to unlock
Grants additional 180B% Dark Troop Armor
Tonitrus: Dark Troop Attack
*requires level three and one Skill Point into Tronitrus Summoning Power to unlock
Enhances 200B% Dark Troop Attack
Tonitrus: Dark Troop Health
*requires level two and one Skill Point into Tronitrus Summoning Power to unlock
Provides 60B% Dark Troop Health
Dark Cavalry Troops
*requires level two and one Skill Point into Tonitrus: Dark Troop Armor to unlock
Boosts your Dark Cavalry Troops all around by increasing your Dark Cavalry Attack by 475B%, 80B% Dark Cavalry HP, and 240B% Dark Cavalry Armor.
Dark Airships
*requires level four and one Skill Point into Tonitrus: Dark Troop Attack to unlock
Benefits your Dark Airships all around by improving your Dark Airship Attack by 475B%, 85B% Dark Airship HP, in addition to 240B% Dark Airship Armor.
Dark Fire Troops
*requires level three and one Skill Point into Tonitrus: Dark Troop Health to unlock
Heightens your Dark Fire Troops overall by raising your Dark Fire Troop Attack by 650B%, 150B% Dark Fire Troop HP, along with 450B% Dark Troop Armor.
Dark Troop with Hero
*requires level four and one Skill Point into Dark Cavalry Troops, Airships, and Fire Troops to unlock
Increases Dark Troop Attack with Hero by 150B%
Unbreakable Barrier
*requires level four and one Skill Point into Dark Troop with Hero to unlock
Grants 140B% Dark Mercenary Attack Resistance, 120B% Dark Mercenary Cripple HP, as well as 100B% Dark Mercenary Armor Piercing
Core Troop Supplies
*requires level four and one Skill Point into Dark Troop with Hero to unlock
Increases your Attack Core Supplies Potency by 8B% and Magical Core Supplies Potency to 5B%
Shrine of Dominance
*requires level five and one Skill Point into Unbreakable Barrier to unlock
Enhances your Mounts and Astrals by giving an insane 500B% to Mount Attack and 200B% Dark Astral Attack
Dark Troop Boosts
*requires level five and one Skill Point into Core Troop Supplies to unlock
It provides you with even more Dark Core Troop benefits by boosting your Dark Troop Attack by 675B%, 50B% Dark Troop HP, and 150B% Dark Troop Armor.
Grand Total
From another point of view, collectively Tonitrus provides you with:
- 42,000% Tonitrus Summoning Power
- 180B% Tronitrus: Dark Troop Armor
- 200B% Tronitrus: Dark Troop Attack and Dark Astral Attack Bonus
- 60B% Tonitrus: Dark Troop Health
- 475B% Dark Cavalry and Airship Attack
- 80B% Dark Cavalry including Airship HP
- 240B% Dark Cavalry along with Airship Armor
- 650B% Dark Fire Troop Attack
- 150B% Dark Fire Troop HP, Dark Troop Armor, and Dark Troop Attack with Hero
- 450B% Dark Fire Troop Armor
- 140B% Dark Mercenary Attack Resistance
- 120B% Dark Mercenary Cripple HP
- 100B% Dark Mercenary Armor Piercing
- 675B% Dark Troop Attack
- 50B% Dark Troop HP
- 8B% Attack Core Supplies Potency
- 5B% Magical Core Supplies Potency
- 500B% Mount Attack Bonus
Tonitrus Empowerment Sigil Chart
How should I skill him?
First things first, Summoning Power is very similar to Rank for Mounts, because of that, prioritize that initially. That will be the most crucial one to skill. It will help you in any situation you are in. Then you want to look into Tonitrus stats himself to beef him up, after all, he is going to be fighting for you.
When balancing your Empire, be sure to use the stats that will benefit you in multiple situations, such as Astrals, Mounts, Mercenaries, and Elementals. Magical Core Supplies would be beneficial in this case as well.
Dark Airships and Attack Core Supplies are mainly for attacking Empires/Neutral Cities, and if you plan to have Glauca and his gear, then boosting your Cavalries will give you an excellent advantage.
How does he compare?
Since we cannot use both of the King of Luci ancestors that are released, we have to pick and choose which one works better for us for our gameplay. Also, let’s see what Tonitrus looks like at level one compared to Somnus at level 50, so we can analyze where he starts becoming more powerful than him.
Somnus Level 50 vs. Tonitrus Level 50
Somnus Dark Troop stats:
- 80B% Dark Troop Attack
- 40B% Dark Troop HP
- 120B% Dark Troop Armor
Tonitrus Dark Troop stats:
- 675B% Dark Troop Attack
- 50B% Dark Troop HP
- 150B% Dark Troop Armor
Okay, I am pretty sure I do not even need to elaborate on the comparison above. It says it all.
Somnus Level 50 vs. Tonitrus Level one
Somnus level 50 Dark Troop stats:
- 80B% Dark Troop Attack
- 40B% Dark Troop HP
- 120B% Dark Troop Armor
Tonitrus level one Dark Troop stats:
- 118B% Dark Troop Attack
- 17.5B% Dark Troop HP
- 52.5B% Dark Troop Armor
As you can see above, Tonitrus at level one already has more Dark Troop Attack than Somnus at level 50. Even though it does not have more in terms of Dark Troop HP and Armor, but it almost has half of its stats!
Somnus and Tonitrus differences
Somnus assist your Dark Earth, Warrior, and Juggernauts while Tonitrus benefits your Dark Fire, Cavalry, and Airships. He also grants you an additional 5% Summoning Power when defending your Empire.
Somnus Dark Earth, Warrior, and Juggernaut stats:
- 150B% Dark Warrior Attack
- 75B% Dark Warrior HP
- 225B% Dark Warrior Armor
- 100B% Dark Juggernaut and Earth Troop Attack
- 50B% Dark Juggernaut and Earth Troop HP
- 150B% Dark Juggernaut and Earth Troop Armor
Tonitrus Dark Fire, Cavalry, and Airship stats:
- 475B% Dark Cavalry and Airship Attack
- 80B% Dark Cavalry including Airship HP
- 240B% Dark Cavalry along with Airship Armor
- 650B% Dark Fire Troop Attack
- 150B% Dark Fire Troop HP
- 450B% Dark Fire Troop Armor
Conclusion
Tonitrus is pretty powerful almost right out the gate in comparison to Somnus in some areas. However, they both do have their distinct qualities. It would be interesting to test them both side by side in a defensive sense since Somnus has more defense capabilities when Tonitrus has more numbers overall.
Have you tested them both out for comparison? Show us in our Line or Discord channels so we can see!
Here are a few notable tips to acknowledge when coming to an end of this guide:
- Summoning Power will dictate the amount of health or attack your spirit will inflict.
- To unlock the second summon, you need the Conclave of Lucis and 100,000 Tonitrus Empowerment Sigils.
- You cannot use both of the summonses at once, so it is vital for you to choose what is best for you based on your gameplay.
- Tonitrus specializes in Dark Cavalry, Airships, and Fire Troops.
What to Read Next?
I recommend brushing up on King of Lucis overall to get a better understanding of how it works and the story behind it. Also, to boost your King of Lucis overall, I suggest you read about Anak Stag and a series of guides to go over based on where your releases are.
King of Lucis: Somnus
The first of the bloodline you can summon in FFXV: A New Empire in the Conclave of Lucis. Read all about the story behind it and about the building itself.
Click here to read the King of Lucis: Somnus guide!
Auxiliary Buildings 2.0
Wanna know more about the Conclave of Lucis? Not quite there yet? That’s alright, then check out what buildings are coming to your Server soon!
Click here to read the Auxiliary Buildings 2.0 guide!
Lucky Chocobo and Anak Stag Mounts
Here are a couple of Mounts that aid your King of Lucis Summons! Read about it and find out which one suits you better.
Click here to read the Lucky Chocobo guide!
Click here to read the Anak Stag guide!
Gilgamesh and Glauca Heroes
Last but not least, check out how these heroes can aid you in battle boosting your summons!
Click here to read the Gilgamesh Hero guide!
Click here to read the Glauca Hero guide!
Stay tuned to check out Ramuh and Emerland Chocobo as well when it’s’s published!
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