Great Form (Grim Alteration)

The grim grows a size category larger.

Great Form

The man stood there, silent and still as the night, and then he began to glow, and suddenly he was towering above us like some terrible beast, striking down our men left and right, and before we could mount a proper defense there was nothing left of our patrol but blood and flesh splattered across the cobblestones.

Prerequisite: Constitution Boon
Description: The grim grows to become one size category larger. A size increase affects any special ability the creature has that is affected by size. Increased size also affects a creature’s ability scores, AC, attack bonuses, and damage values as described below.

The grim doubles his height and multiplies his weight by 8. This increase changes the grim’s size category to the next larger one. The grim gains a +2 size bonus to Strength, a –2 size penalty to Dexterity (to a minimum of 1), and a –1 penalty on attack rolls and AC due to his increased size.

If insufficient room is available for the desired growth, the grim attains the maximum possible size and may make a Strength check (using his increased Strength) to burst any enclosures in the process. If he fails, he is constrained without harm by the materials enclosing him.

All equipment worn or carried by the grim is similarly enlarged. Melee and projectile weapons affected by this Alteration deal more damage. Other magical properties are not affected by this Alteration. Any enlarged item that leaves the grim’s possession (including a projectile or thrown weapon) instantly returns to its normal size. This means that thrown weapons deal their normal damage, and projectiles deal damage based on the size of the weapon that fired them. Magical properties of enlarged items are not increased by this Alteration.

Table: Increased Damage By Size

Old Damage	New Damage
1d2	1d3
1d3	1d4
1d4	1d6
1d6	1d8
1d8	2d6
1d10	2d8
2d6	3d6
2d8	3d8

Table: Creature Size and Scale

Size Category	Attack and AC Modifier	Special Attacks Modifier1	Hide Modifier	Height or Length2	Weight3	Space4	Natural Reach4		Carrying Capacity Mulitplier
							Tall	Long	Biped	Quadruped
Fine	+8	−16	+16	6 in. or less	1/8 lb. or less	1/2 ft.	0 ft.	0 ft.	×1/8	×1/4
Diminutive	+4	−12	+12	6 in.–1 ft.	1/8 lb.–1 lb.	1 ft.	0 ft.	0 ft.	×1/4	×1/2
Tiny	+2	−8	+8	1 ft.–2 ft.	1 lb.–8 lb.	2-1/2 ft.	0 ft.	0 ft.	×1/2	×3/4
Small	+1	−4	+4	2 ft.–4 ft.	8 lb.–60 lb.	5 ft.	5 ft.	5 ft.	×3/4	×1
Medium	+0	+0	+0	4 ft.–8 ft.	60 lb.–500 lb.	5 ft.	5 ft.	5 ft.	×1	×1-1/2
Large	−1	+4	−4	8 ft.–16 ft.	500 lb.–2 tons	10 ft.	10 ft.	5 ft.	×2	×3
Huge	−2	+8	−8	16 ft.–32 ft.	2 tons–16 tons	15 ft.	15 ft.	10 ft.	×4	×6
Gargantuan	−4	+12	−12	32 ft.–64 ft.	16 tons–125 tons	20 ft.	20 ft.	15 ft.	×8	×12
Colossal and Colossal+	−8	+16	−16	64 ft. or more	125 tons or more	30 ft.	30 ft.	20 ft.	×16	×24
This modifier applies to the bull rush, grapple, overrun, and trip special attacks. Biped's height, quadruped's body length (nose to base of tail) Assumes that the creature is roughly as dense as a regular animal. A creature made of stone will weigh considerably more. A gaseous creature will weigh much less. These values are typical for creatures of the indicated size. Some exceptions exist.

Special: Multiple magical or supernatural effects that increase size do not stack with this Alteration.

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