Diablo 2 Walkthrough -> Assassin Skill Chart
Martial Arts
The Blades of Ice, Claws of Thunder, and Dragon Claw skills require Kataras, the Assassin's signature weapon.
Tiger Strike (= 1 =)
A recharge skill. Increases physical damage.
Dragon Talon /Dragon Claw/ (= 1 =)
Finishing move. Deals a significant kick to the enemy.
Fists of Fire (= 6 =)
A recharge skill. Increases fire damage.
Dragon Claw /Dragon Paw/ (= 6 =) [Dragon Talon]
Finishing move. Increases the effectiveness of katar.
Cobra Strike /Cobra Throw/ (= 12 =)[Tiger Strike]
A recharge skill. Allows you to steal life and mana.
Dragon Tail /Dragon Tail/ (= 18 =) [Dragon Talon, Dragon Claw]
Finishing move. Deals additional fire damage.
Claws of Thunder (= 18 =) [Fists of Fire]
A charging skill. Depending on the number of charges, adds one of the lightning damage types: Lightning, Nova, or Charged Bolt.
Blades of Ice /Ice Blades/ (= 24 =) [Fists of Fire, Claws of Thunder]
A charge skill. Depending on the number of charges, it has different freezing effects.
Dragon Flight (= 24 =) [Dragon Talon, Dragon Claw, Dragon Tail]
A finishing move. An effective skill that delivers a devastating kick. 2-second cooldown between casts.
Phoenix Strike (= 30 =) [Tiger Strike, Fists of Fire, Cobra Strike, Claws of Thunder, Blades of Ice]
A recharge skill. Uses powerful elemental attacks: Meteor, Chain Lightning, Chaos Ice Bolt.
The Teaching of the Shadow
Burst of Speed, Fade, and Venom cannot be used simultaneously. The same applies to the Shadow Warrior and Shadow Master combination.
Claw Mastery (= 1 =)
A passive skill that increases the effectiveness of katars. Belongs to the same skill type as the Barbarian's Combat Mastery.
Psychic Hammer (= 1 =)
A primitive skill that deals minor magical damage. Useful at early levels.
Burst of Speed /Burst of Speed/ (= 6 =) [Claw Mastery]
Temporarily increases attack speed and power.
Cloak of Shadows (= 12 =) [Psychic Hammer]
While using this skill, the sky darkens. All enemies within 20 yards have their defenses reduced.
Weapon Block /Weapon Block/ (= 12 =) [Claw Mastery]
Adds a chance to block attacks with weapons such as katars.
Fade /Dissolution/ (= 18 =) [Claw Mastery, Burst of Speed]
The killer temporarily becomes less vulnerable to curses and all elemental effects.
Shadow Warrior /Shadow Warrior/ (= 18 =) [Claw Mastery, Psychic Hammer, Cloak of Shadows, Weapon Block]
A clone of the Assassin appears, for which you can select 2 skills to use.
Mind Blast /Brainstorm/ (= 24 =) [Psychic Hammer, Cloak of Shadows]
Deals damage to monsters with a chance that they will attack their comrades.
Venom /Poison/ (= 30 =) [Claw Mastery, Burst of Speed, Fade]
Deals poison damage.
Shadow Master /Lord of the Shadow/ (= 30 =) [Claw Mastery, Psychic Hammer, Cloak of Shadows, Weapon Block, Shadow Warrior]
A more powerful modification of the Shadow Warrior. It has all the current Assassin skills, instead of just two.
Traps
Fire Blast /Fire Beam/ (= 1 =)
A trap that deals minor fire damage.
Shock Web /Shock Web/ (= 6 =) [Fire Blast]
Creates multiple beams of lightning, each dealing modest damage.
Blade Sentinel /Blade Trap/ (= 6 =)
A thing resembling a meat grinder blade appears, which flies between the Killer and the enemy who steps on the trap and chops up everyone who gets in its path.
Charged Bolt Sentry /Charged Bolt Trap/ (= 12 =) [Fire Blast, Shock Web]
A trap that deals damage with 5 lightning bolts (Charged Bolts).
Wake Of Fire /Awakening of Fire/ (= 12 =) [Fire Blast]
Generates 5 bifurcated waves of fire that incinerate everything in their path.
Blade Fury /Mad Blades/ (= 18 =) [Fire Blast, Blade Sentinel, Wake Of Fire]
The killer fires several shurikens (sharp stars) at his enemies.
Lightning Sentry /Lightning Sentry/ (= 24 =) [Fire Blast, Shock Web, Charged Bolt Sentry]
10 powerful bolts of electricity fly at enemies one after the other.
Wake Of Inferno /Wake of Inferno/ (= 24 =) [Fire Blast, Wake Of Fire]
10 powerful fire blasts are fired at nearby enemies one by one.
Death Sentry /Deathwatch/ (= 30 =) [Fire Blast, Shock Web, Charged Bolt Sentry, Lightning Sentry]
This skill deals lightning damage followed by an explosion of the corpses of defeated enemies.
Blade Shield /Shield of Blades/ (= 30 =) [Fire Blast, Blade Sentinel, Wake Of Fire, Blade Fury]
Several blades rotate around the Assassin, dealing damage to enemies entering the affected area.
Source: gamez.biysk.ru.
See also:
HL2 Action Walkthrough
Assassin's level up in Diablo, naf!
The fourth act of the devil's game