Introduction[]
Decided to this request from Papi EliminatorVenom, because I like Roblox and I actually play Fantastic Frontier too, so why not try giving it an upgrade of sorts?
Anywho, as he posted, a magical wizard spawns a meteor above him a meteor that creates a B I G B O O M that only expands like two meters, but that's why I'm calculating all this other stuff, it should probably be priority 1-2 because it scales to practically everything that can contend with the player, which is a lot (except for cellery, of course).
Video provided, happens at 0:15 (15 seconds in):
Roblox Fantastic Frontier - Books showcase
Well, let's pixel scale now, shall we?
Purple line (Height of person): 169 pixels tall
Green line (Side length of meteor): 119.5 pixels long
169 / 119.5 = 1.41422594142 times smaller
Assuming the person is an American male - which are generally an average of 177 centimeters tall:
177 / 1.41422594142 = 125.156804734 centimeters long for each side length
Now, since the meteor is like a rectangle with two other rectangular parts sticking out of its sides, I will calculate it like a cube with a hollowness of about 35% (Multiply by 0.65) %, because if we only use the rectangular shape alone, it would appear to be about 60% of the volume of a cube using the same side-length of 125.156804734 centimeters, plus each of the plate-ish things on its sides being around 2.5% of it, so about 65% of the volume in total.
125.156804734 x 125.156804734 x 125.156804734 = 1960484.44616 x 0.65 = 1274314.89 cm^3 total, or 1.27431489 cubic meters total.
Density of meteorites usually ranges from 3,000 to 3,700 kg/m^3 according to our calculations page, so I will average that out to 3,350 kg/m^3
3,350 x 1.27431489 = 4268.95488 kilograms total.
Anywho, onto the other parts of the calc:
Kinetic Energy[]
Since the meteor appears to be summoned above the user while they display some kind of pulling animation of sorts, I will assume it could be from outer space.
The low-end speed for meteors according to our calculations page is 11,000 m/s.
0.5 x 4268.95488 x 11,000^2 = 258271770240 joules, or 61.7284345697897 Tons of TNT
City Block level+.
If we're not allowed to use that, I will assume that it could be ablated due to how the meteor appears to be somewhat damaged. In that case, the ablation speed range for meteors is around 2000 - 4000 M/S according to our wiki.
0.5 x 4268.95488 x 2,000^2 = 8537909760 joules, or 2.040609407266 Tons of TNT
Baseline Large Building level, could probably be somewhat consistent if we take into account the lightning spellbook that appears later in the video which seems to be able to summon cloud-to-ground lightning - which is usually around Building level (5 billion joules, specifically) in energy output.
Alternatively, I could calculate the speed of the meteor comparing it to the ingame lightning, assuming they are aimed at the same spot (Which appears to be the case)
Lightning and meteor timeframes provided by framebyframe
Assuming 25 FPS, which means that each frame is 0.04 seconds (1 / 25 = 0.04).
The casting animation ends at frame 1478 (Assuming that's when the CTG lightning is generated) and the lightning hits at frame 1479, I'm assuming it spawned the lightning from a cloud, which hits the ground at frame 1479 and makes the noise.
1479 - 1478 = 1 frames
1 x 0.04 = 0.04 seconds
For the meteor, the casting animation ends at frame 430 and the meteor hits the ground at frame 465.
465 - 430 = 35 frames
35 x 0.04 = 1.4 seconds
1.4 / 0.04 = 35 times slower.
440,000 / 35 = 12571.4285714 m/s
0.5 x 4268.95488 x 12571.4285714^2 = 337334557047 joules, or 80.6248941316922 Tons of TNT
City Block level+, surprisingly consistent with the atmospheric entry speed that we used (11,000 M/S) for the first KE calculation for it.
Destruction[]
As Eliminator pointed out, it appears to 'vaporize' upon landing. I will assume it actually pulverized as a lowball (disappears entirely when it hits the ground), and then vaporization as a highball (Maybe because it's heat-based?)
General value for pulverization is 214.35 j/cc.
214.35 x 1274314.89 = 273149397 joules, or 0.0652842727055 Tons of TNT
Small Building level, lower than our last results, but I guess that could work in with consistency because lightning bolts can be around the 9-A range too if we consider energy output.
Then we have vaporization. I will use granite because it's a rock - of which has a latent heat vaporization value of 6077872 joules/cc.
6077872 x 4268.95488 = 2.59461613e10 Joules, or 6.2012813814532 Tons of TNT
Large Building level, somewhat consistent with the kinetic energy via ablation speeds, surprisingly.
I can likely get much better results if I were to have the firesoul spellbook ingame so I could pixelscale better. For now, this could probably be a good lowball.
E D I T (More accurate meteor size)[]
I managed to get the spellbook ingame and spawned a meteor, then I snipped an image and scaled it to a player, as shown below:
The scaling is described in the image, I'll do the same methods as before to find its volume.
146.7 / 115 = 1.27565217391 times larger.
1.27565217391 x 177 = 225.790434782 centimeters long for each side.
225.790434782 x 225.790434782 x 225.790434782 = 11511094.5077 cubic centimeters x 0.65 = 7482211.43 cubic centimeters, or 7.48221143 cubic meters
7.48221143 x 3,350 = 25065.4083 kilograms
Anywho, going to recalc the previous calcs with the new mass.
Kinetic energy, revised[]
Atmospheric speed:
0.5 x 25065.4083 x 11000^2 = 1516457202149.9997559 Joules, or 362.4419699211281 Tons of TNT
Multi-City Block level
Ablated speed (More likely going with this one, the meteorite does emit smoke of sorts if I could recall correctly, so it could be possibly that could relate to ablation):
0.5 x 25065.4083 x 2000^2 = 50130816600 Joules, or 11.981552724665 Tons of TNT
City Block level
Lightning speed scaling:
0.5 x 25065.4083 x 12571.4285714^2 = 1.98067879e12 Joules, or 473.3935922562142 Tons of TNT
Multi-City Block level
Destruction calcs[]
Pulverization:
7482211.43 x 214.35 = 1603812020.02 Joules, or 0.3833202724713193 Tons of TNT
Building level, at least it's outside of 9-A now.
Vaporization:
25065.4083 x 6077872 = 1.52344343e11 Joules, or 36.4111718451243 Tons of TNT
City Block level
Updated results[]
Kinetic energy via atmospheric entry speeds - Multi-City Block level (362.4419699211281 Tons of TNT)
Kinetic energy via ablation speeds - City Block level (11.981552724665 Tons of TNT)
Kinetic energy via scaling to ingame lightning speed - Multi-City Block level (473.3935922562142 Tons of TNT)
Pulverization of meteor upon impact - Building level (0.3833202724713193 Tons of TNT)
Vaporization of meteor upon impact - City Block level (36.4111718451243 Tons of TNT)
My opinion[]
While there isn't too much to actually prove atmospheric entry, the lightning speed scaling somewhat proves it due to being within the same tier 8-A) and within the atmospheric entry speed range (11,000 - 17,000 M/S; it being around the 12,000 M/S mark). If we are using ablation speeds (which are probably less likely, in this case), it gets somewhat backed up with the existence of the vaporization calc that places both of them within the 8-B range.