From Lineage 2 Encyclopaedia

Properties

Deadly Roulette
Initiates a deadly game of chance. Requires a crossbow. Consumes 1 Special Bolt. Can be used when HP is under 10%. Lethal Strike is possible.
Class	Arbalester
Type	active
Attribute	-
Recast time	150 s
Cast time	3 s
Cast range	900
Classes with same skill	Arbalester, Trickster

Skill Upgrade

Lvl. to Learn	Skill Lvl.	Description	MP Consume	HP Consume	SP
66	1	Initiates a deadly game of chance. Requires a crossbow. Consumes 1 Special Bolt. Can be used when HP is under 10%. Lethal Strike is possible.	100	0	406
68	2	Initiates a deadly game of chance. Requires a crossbow. Consumes 1 Special Bolt. Can be used when HP is under 10%. Lethal Strike is possible.	103	0	632
70	3	Initiates a deadly game of chance. Requires a crossbow. Consumes 1 Special Bolt. Can be used when HP is under 10%. Lethal Strike is possible.	106	0	940
72	4	Initiates a deadly game of chance. Requires a crossbow. Consumes 1 Special Bolt. Can be used when HP is under 10%. Lethal Strike is possible.	109	0	997
74	5	Initiates a deadly game of chance. Requires a crossbow. Consumes 1 Special Bolt. Can be used when HP is under 10%. Lethal Strike is possible.	112	0	1428