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Monster Rancher 4 Combining

Affinity & Combining Temperament Group Compatibility

Monster Affinity & Combining

Monster affinity is really important for combining. The higher your monster affinity, the higher results your combined monsters stats will be:
Percent of Baseline (Not parent stat totals)

Monster Affinity	LOW	MID	HIGH
Friend	100%	100%	100%
Good Friend	110%	120%	130%
Great Friend	110%	120%	130%
Best Friend	120%	130%	140%
Inseparable	130%	140%	150%

Example: From the monsters you are combining, each of their respective stats are added together to determine which two stats are high, mid, and low. Let's assume we have a purebred Golem and Pixie we're combining

	Golem	Pixie	StatTotal	Multiplier
POW	900	300	= 1200	MID
LIF	600	450	= 1050	LOW
INT	300	900	= 1200	MID
ACC	450	600	= 1050	LOW
DEF	900	450	= 1350	HIGH
SPD	450	900	= 1350	HIGH

The combined monster would then have it's base stats multiplied based on the monster affinity of two monsters. Let's take a look at Golem and Janne:
*Note: Monster combing can be either original breed or a new combination of the two main breeds. From below, I can get Golem, Janne, or Pink Golem. However, I cannot get BattleRocks (Golem x Durahan).

This table is for original base stats if they were combined as friends.

	POW	LIF	INT	ACC	DEF	SPD
Golem: Golem x Golem	170	110	80	65	150	50
Janne: Pixie x Durahan	88	87	143	125	98	123
Pink Golem: Golem x Pixie	137	100	110	87	122	83

This table is for stats if they were combined as best friends.

	POW	LIF	INT	ACC	DEF	SPD
Multiplier	MID: 130%	LOW: 120%	MID: 130%	LOW: 120%	HIGH: 140%	HIGH: 140%
Golem: Golem x Golem	221	132	104	78	210	70
Janne: Pixie x Durahan	114	104	186	150	137	172
Pink Golem: Golem x Pixie	178	120	143	104	170	116

Inheriting Monster Temperament

Monsters with different sub-breeds actually uses temperaments from the sub-breed instead of the main-breed when generated from the book or a disk. There is an exception for the Dragon and Joker breeds where it will always use its main-breed temperament.

Monsters can also pass their temperament down to their child! This is determined by selecting a parent monster with the desired temperament first. In addition, this makes it possible for monsters to use temperaments that cannot be acquired. Now your Lazy Baku can become Passionate to attack more often! Unfortunately the Dragon, Joker, and Phoenix breeds can only use its main-breed temperament. In the case of Combining a Dragon and Joker to make Diaboros(Dragon x Joker), the temperament WILL be determined by which monster is selected first.

Monster Group Compatibility

To determine how well each monster would get along with each other take a look at the chart below. The closer the monster is to each other, the easier it is to raise friendship. But the further away, the harder it is to raise friendship.
Some monsters have exceptions where they just don't get along much at all despite placement with one another:

Suzurin & Gitan
Durahan & Zan
Golem & Joker
Dragon & (literally) everyone

	Monster Group Compatibility
Group 5	Phoenix
Group 4	Ogyo, Golem, Lesione
Group 3	Garu, Suzurin, Mocchi
Group 2	Antlan, Durahan, Beaklon
Group 1	Ducken, Pancho, Tiger, Zuum
Group 0	Koropendora, Baku, Hare, Henger, Raiden
Group -1	Rhinoroller, Pixie, Plant, Madillo
Group -2	Jell, Suezo, Mogi, Ripper
Group -3	Zan, Mew
Group -4	Gitan, Naga
Group -5	Dragon, Joker

Combining monsters can also determine new monster's starting rank. This is extremely helpful so the monster can fight less often and train as long as possible for higher stats!

Fame and Bonding Formula

Fame Combination Formula	Monster Fame A + Monster Fame B / 8
Bonding Combination Formula	Monster Bonding A + Monster Bonding B / 4

Rank Combination

	Rank S	Rank A	Rank B	Rank C	Rank D	Rank E
Rank S	C	C	D	D	E	E
Rank A	C	C	D	E	E	E
Rank B	D	D	E	E	E	E
Rank C	D	E	E	E	E	E
Rank D	E	E	E	E	E	E
Rank E	E	E	E	E	E	E

Credits: ADC*Ken's MR4 guide

This page was last modified: August 22 2024

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