Further notes

The Therizinosaurus comes in three different hitpoint values: 850; 1000 and 1200.[1] This is in comparison with Regina's value of 1200 on Normal and 2400 on Easy.[2]


The following attack names and stats are taken from Famitsu's Official Guide Book.[1]

Attack Damage Description
Claw (ツメ tsume?) 150-200
Both claws (両ツメ ryō tsume?) 500-550
Neck biting (首かみつき kubi kamitsuki?)
Trampling (踏みつけ fumitsuke?) Instant death
Leg biting (足かみつき ashi kamitsuki?)


The following stats are taken from Famitsu's Official Guide Book.[3] If critical values are not specified, guns firing this ammunition can not perform criticals.

Ammunition EASY: Damage per bullet (Critical) NORMAL: Damage per bullet (Critical)
9mm Parabellum 150-175 (250-300) 80-100 (150-200)
40S&W 100-120 (150-200) 175-200 (250-300)
SG 150-200 225-275
Slag 250-300 325-375
Grenade 400-600 800-1000
Heat 400-600 800-1100
Regina defeated by Therizinosaurus

The Therizinosaurus throw Regina's corpse away if she is defeated.

They often hunt in pairs and are extremely tough. Therizinosaurus is something of an upgraded raptor, and will often be found in large corridors where raptors were more commonly found.

Therizinosaurus Attack

A Therizinosaurus attacks Regina in a corridor

It should be noted that Therizinosaurus can sometimes follow Regina into other rooms if she runs away from them. Most notably, the corridor on floor B3 that leads into the room with the passageway to the docks or the Rest station area on B2.

If the player meets one, escaping is recommended because they have high resistance to many different weapons. However, if faced with an unavoidable fight, the player's best weapon choice is any kind of grenade round or darts (poison dart is a good choice hee). However, in the second corridor, the security laser shutters (in the area shown in the previous screenshot.) can bre used to trap them by tricking them into following Regina and running around the Therizinosaurs when they reach the other side and closing it behind them. This will get them stuck and they will be unable to attack Regina on the other side. They should remain there for the rest of the game or until Regina opens the shutters again.



  1. 1.0 1.1 Official Guide Book, p.48.
  2. Official Guide Book, p.20.
  3. Official Guide Book, p.49.

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