Fully fix poison issue

src/m2-bugfixes.asm

@@ -1,24 +1,54 @@
 //==============================================================================
-//Fixes the issue where Gyigas could take damage from poison
+//Fixes the issue where Gyigas and other enemies would not use their death attack
+//(or phase change) because of the poison
 dee6c_fix_poison_gyigas:
 push    {lr}
-add     r0,#0x44
-ldrh    r0,[r0,#0] // Get the enemy's identifier
-lsr     r1,r0,#3 // Divide it by 8
-lsl     r2,r1,#3
-sub     r0,r0,r2 // Get the division's rest
-ldr     r2,=#status_damage_table
-add     r2,r2,r1
-ldrb    r1,[r2,#0] // Get the byte that contains this entity's data
-mov     r2,#1
-lsl     r2,r0
-and     r2,r1 // If this is not 0, the enemy shouldn't take damage
-cmp     r2,#0
-bne     @@end
 
-ldr     r0,[r6,#0] // Proceed normally
-mov     r1,r4
-bl      0x80E9CFC
+bl      0x80E9CFC //Normal code
+
+ldr     r2,=#0x2024860 //Where the action's data is stored
+ldr     r0,[r6,#0] //Load the entity's slot
+add     r0,#0x44
+ldrh    r1,[r0,#0]
+cmp     r1,#0
+beq     @@normal //Characters have this set as 0
+cmp     r1,#0xDA //This particular Gyigas phase does not need this... (It will reflect the poison randomly if we let it continue)
+beq     @@normal
+ldrh    r1,[r0,#4] // Get the enemy's current HP
+cmp     r1,#0 //Check if they're 0
+bne     @@normal
+ldrh    r1,[r0,#6] // Get the enemy's scrolling HP
+cmp     r1,#0 //Check if they're 0 (probably not needed)
+bne     @@normal
+mov     r0,#0x9 //Fabricate a death check for the enemy
+add     r2,#0x16
+strh    r0,[r2,#0]
+mov     r0,#0
+strh    r0,[r2,#4]
+mov     r0,#4 //This counts as a PSI, since setting it as a normal attack would make it so the Diamond Dog would reflect it
+strh    r0,[r2,#6]
+add     r2,#0xC
+strh    r0,[r2,#0x6]
+mov     r0,#1
+strh    r0,[r2,#4]
+mov     r0,#0
+strh    r0,[r2,#0]
+add     r2,#0x24
+strh    r0,[r2,#0]
+strh    r0,[r2,#0x12]
+ldr     r2,=#0x2025034
+mov     r0,#1
+strh    r0,[r2,#0] //This is a PSI. Not a physical attack
+ldr     r0,=#0x3005378
+mov     r1,#0xC //This is PSI Cool Thing
+strh    r1,[r0,#0]
+mov     r1,#0
+strh    r1,[r0,#0x10]
+b       @@end
+
+@@normal:
+mov     r0,#0x64 //Normal game's behaviour
+strh    r0,[r2,#0x16]
 
 @@end:
 pop     {pc}

src/m2-hack.asm

@@ -1704,7 +1704,7 @@ nop
 //==============================================================================
 // Fix Gyigas' poison bug
 //==============================================================================
-.org 0x80DEE6C :: bl dee6c_fix_poison_gyigas
+.org 0x80DEE6C :: bl dee6c_fix_poison_gyigas :: nop :: nop :: nop
 
 //==============================================================================
 // Move stuff around in order to make space for the code
@@ -1857,9 +1857,6 @@ flyover_tea:
 flyover_coffee:
 .include "data/flyover-coffee.asm"
 
-status_damage_table:
-.incbin "data/status_damage_immune_table.bin"
-
 m2InsaneCultist:
 .incbin "data/m2-insane-cultist.bin"