Final Attack: Sword

Fighter

\begin{aligned} K&=0.7\left(0.1+\frac{\text{mastery rank}}{10}\right)\\ P&\sim U(\min(P_0K,P_0),\max(P_0K,P_0))\\ R&=\left(J+\frac{aP}{d_P}+\frac{S}{d_S}+\frac{A}{d_A}\right)(W+W_{\mathrm{ammo}})\frac{p(n)}{100}\\ D&=\operatorname{clamp}\!\left(\left\lfloor R\,\frac{100}{100+F}\,\frac{e}{\lambda}\,(1+b/100)\,c\right\rfloor,1,99999\right) \end{aligned}

Effect

25% trigger rate; HP -12; MP -10; Final Attack with damage 140% to up to 3 enemies; Range +130

Weapon coefficients and primary/secondary stats are listed under Physical damage & weapons.
Damage shown when Final Attack triggers. No standalone casts-to-kill average.

Final Attack: Sword values
Rank	Damage %	Hits	MP	Duration
1	140	1	10	30s
2	142	1	11	30s
3	144	1	11	30s
4	146	1	11	30s
5	148	1	11	30s
6	150	1	12	30s
7	152	1	12	30s
8	154	1	12	30s
9	156	1	12	30s
10	158	1	13	30s
11	160	1	13	30s
12	162	1	13	30s
13	164	1	13	30s
14	166	1	14	30s
15	168	1	14	30s
16	170	1	14	30s
17	172	1	14	30s
18	174	1	15	30s
19	176	1	15	30s
20	178	1	15	30s
21	180	1	15	30s
22	182	1	16	30s
23	184	1	16	30s
24	186	1	16	30s
25	188	1	16	30s
26	190	1	17	30s
27	192	1	17	30s
28	194	1	17	30s
29	196	1	17	30s
30	200	1	18	30s

Rank	Damage %	Hits	MP	Duration
1	140	1	10	30s
2	142	1	11	30s
3	144	1	11	30s
4	146	1	11	30s
5	148	1	11	30s
6	150	1	12	30s
7	152	1	12	30s
8	154	1	12	30s
9	156	1	12	30s
10	158	1	13	30s
11	160	1	13	30s
12	162	1	13	30s
13	164	1	13	30s
14	166	1	14	30s
15	168	1	14	30s
16	170	1	14	30s
17	172	1	14	30s
18	174	1	15	30s
19	176	1	15	30s
20	178	1	15	30s
21	180	1	15	30s
22	182	1	16	30s
23	184	1	16	30s
24	186	1	16	30s
25	188	1	16	30s
26	190	1	17	30s
27	192	1	17	30s
28	194	1	17	30s
29	196	1	17	30s
30	200	1	18	30s

Rank	Damage %	Hits	MP	Duration
1	140	1	10	30s
2	142	1	11	30s
3	144	1	11	30s
4	146	1	11	30s
5	148	1	11	30s
6	150	1	12	30s
7	152	1	12	30s
8	154	1	12	30s
9	156	1	12	30s
10	158	1	13	30s
11	160	1	13	30s
12	162	1	13	30s
13	164	1	13	30s
14	166	1	14	30s
15	168	1	14	30s
16	170	1	14	30s
17	172	1	14	30s
18	174	1	15	30s
19	176	1	15	30s
20	178	1	15	30s
21	180	1	15	30s
22	182	1	16	30s
23	184	1	16	30s
24	186	1	16	30s
25	188	1	16	30s
26	190	1	17	30s
27	192	1	17	30s
28	194	1	17	30s
29	196	1	17	30s
30	200	1	18	30s

Rank	Damage %	Hits	MP	Duration
1	140	1	10	30s
2	142	1	11	30s
3	144	1	11	30s
4	146	1	11	30s
5	148	1	11	30s
6	150	1	12	30s
7	152	1	12	30s
8	154	1	12	30s
9	156	1	12	30s
10	158	1	13	30s
11	160	1	13	30s
12	162	1	13	30s
13	164	1	13	30s
14	166	1	14	30s
15	168	1	14	30s
16	170	1	14	30s
17	172	1	14	30s
18	174	1	15	30s
19	176	1	15	30s
20	178	1	15	30s
21	180	1	15	30s
22	182	1	16	30s
23	184	1	16	30s
24	186	1	16	30s
25	188	1	16	30s
26	190	1	17	30s
27	192	1	17	30s
28	194	1	17	30s
29	196	1	17	30s
30	200	1	18	30s