When playing the female character in "Soul of the Samurai" there comes a point in the game where she must battle her own brother. One of his attacks is to throw several shuriken at her that seek her out. To negate this attack hit the SELECT button (after he has thrown the shuriken) which pauses the action, then choose the ITEM option as if you were going to use an item or change equipment. You don't have to use anything, just enter the ITEM mode and then exit out using the CIRCLE button. Exit all the way out by hitting the CIRCLE button again, and action resumes. 

Once you do this, all the seeking shuriken will have disappeared. It is much easier to do this every time he does this attack rather than dodge or block them all, as some miss you on the first pass and then loop back around to strike you from behind. Other bosses also have seeking ranged attacks, such as the head of the female ninja group in the woods. I do not know if this works on her attacks, I will update as soon as I replay and find out.

Game Shark Codes

North American Version

Infinite HP 80098110 00FA
Infinite MP 30098115 00FA
Infinite All Items 80059106 2400
Infinite Health Kurenai [Note] 8009853C 0064
Max Exp 800BCE10 00FF
Always Have Normal Status 800BCE04 0000

Weapon Slot Modifiers
Slot 1 30099638 00??
Slot 2 3009963A 00??
Slot 3 3009963C 00??
Slot 4 3009963E 00??
Slot 5 30099640 00??
Slot 6 30099642 00??
Slot 7 30099644 00??
Slot 8 30099646 00??
Slot 9 30099648 00??
Slot 10 3009964A 00??
Slot 11 3009964C 00??
Slot 12 3009964E 00??
Slot 13 30099650 00??
Slot 14 30099652 00??

Max Weapon Slot Codes
Slot 1 30099639 0063
Slot 2 3009963B 0063
Slot 3 3009963D 0063
Slot 4 3009963F 0063
Slot 5 30099641 0063
Slot 6 30099643 0063
Slot 7 30099645 0063
Slot 8 30099647 0063
Slot 9 30099649 0063
Slot 10 3009964B 0063
Slot 11 3009964D 0063
Slot 12 3009964F 0063
Slot 13 30099651 0063
Slot 14 30099653 0063

Item Slot Modifiers
Slot 1 30099656 00??
Slot 2 30099658 00??
Slot 3 3009965A 00??
Slot 4 3009965C 00??
Slot 5 3009965E 00??
Slot 6 30099660 00??
Slot 7 30099662 00??
Slot 8 30099664 00??
Slot 9 30099666 00??
Slot 10 30099668 00??
Slot 11 3009966A 00??
Slot 12 3009966C 00??
Slot 13 3009966E 00??
Slot 14 30099670 00??
Slot 15 30099672 00??

Max Item Slot Codes
Slot 1 30099657 0063
Slot 2 30099659 0063
Slot 3 3009965B 0063
Slot 4 3009965D 0063
Slot 5 3009965F 0063
Slot 6 30099661 0063
Slot 7 30099663 0063
Slot 8 30099665 0063
Slot 9 30099667 0063
Slot 10 30099669 0063
Slot 11 3009966B 0063
Slot 12 3009966D 0063
Slot 13 3009966F 0063
Slot 14 30099671 0063
Slot 15 30099673 0063

Quantity Digits to Accompany Item Modifier Codes

Weapons
00 - Denta
01 - Monohoshizao
02 - Doujikiri
03 - Masamune
04 - Osafune
05 - Houou
06 - Muramasa
07 - Ran-un
08 - Kogarasumaru & Onimaru?
09 - Kogarasumaru & Onimaru
0A - Nihon
0B - Rusted Nihon Sword
0C - Reimei
0D - Shigure
0E - Raimei
0F - Byakuya
10 - Rakuyo

Items
11 - Shuriken
12 - Explosive Shuriken
13 - Happourinkosho
14 - Hourokudama
15 - Enmakudama
16 - Heal Herb
17 - Ointment
18 - Foreign Medicine
19 - Antidote
1A - Glitch
28 - Broken Plaque

Note: Disable this code once Kurenai is no longer with your character.

Japanese Version
Infinite HP 80098728 00FA
3009872D 00FA
Start with 200 Exp D00BD418 0000
800BD418 00C8
Max Skill D00BD428 0000
800BD428 00C8
D00BD428 0000
800BD42A 00C8
Weapon Select 80099C50 0109
Infinite Items (Caetla Users Only) B00A0002 00000000
30099C6F 0009