Iron Will

Spearman

Class: Spearman
Maximum rank: 30
Element: neutral
Rank: 1
MP: 10
Duration: 150s

\begin{aligned}\Delta\text{PDEF}&=20+\left\lfloor\frac{30(n-1)}{29}\right\rfloor\end{aligned}

Effect

MP -10; Weapon Def. +20, 5% chance to ignore knockbacks for 150 sec

Iron Will values
Rank	MP	Duration
1	10	150s
2	10	155s
3	10	160s
4	11	165s
5	11	170s
6	12	175s
7	12	180s
8	13	185s
9	13	190s
10	14	195s
11	14	200s
12	15	205s
13	15	210s
14	16	215s
15	16	220s
16	17	225s
17	17	230s
18	18	235s
19	18	240s
20	19	245s
21	19	250s
22	20	255s
23	20	260s
24	21	265s
25	21	270s
26	22	275s
27	22	280s
28	23	285s
29	23	290s
30	25	300s