Shapechanger: I have the shapechanger quality.
Attack Finesse (Executioner): Once per turn I can deal 1d8 extra damage with a weapon attack using a one-handed weapon, garrote, blowgun or shortbow.
Quick Swap: Once per turn I can draw or stow a weapon as a free action and then draw another weapon.
Death Attack: When I hit an enemy with a melee or a ranged attack that deals damage, I can choose to reduce the enemy to 0 hit points automatically if it has 10 hit points or fewer after the damage is dealt.
Poison Use: I know the recipes for two 1st-level assassin poisons. During an extended rest I can prepare 1 vial. I must know the recipe and have a poisoner’s kit. The vial contains a single use of the poison, which expires if it isn’t used before the start of my next extended rest. An item can benefit from the effects of only one assassin poison at a time. Only I can use my assassin poisons, and I am immune to the effects of the ones I create.
Two-Weapon Defense: +1 AC and Reflex while wielding a weapon in each hand.
Nimble Blade: +1 to attacks with light blades when I have CA.
Cunning Stalker: Gain CA against enemies with no other adjacent creatures.
Light Blade Expertise: +1 to damage rolls with light blade weapon attacks with CA.
Unarmored Agility: +2 feat bonus to AC when wearing cloth armor or no armor.
Bloodroot Poison (heroic tier)
Power (Poison) ✦ Consumable (Minor Action)
You apply the poison to your melee weapon or one piece of your ammunition. During this encounter, the next creature you hit with a weapon attack using the poisoned item takes 6 extra poison damage, and it is dazed (save ends).
Power (Poison) ✦ Consumable (Minor Action)
You pour the poison into a drink or onto a plate of food. The first creature to consume the food or drink within the next hour is dazed until the end of its next extended rest.
Carrion Crawler Brain Juice (heroic tier)
Power (Poison) ✦ Consumable (Minor Action)
You apply the poison to your melee weapon or five pieces of your ammunition. Until the end of the encounter, whenever you hit a creature with a weapon attack using the poisoned item, the target takes 4 extra poison damage, and it is slowed until the end of your next turn.
Power (Poison) ✦ Consumable (Minor Action)
You apply the poison to a single handheld object. Within the next hour, the first creature other than you to hold or wear the object for more than 1 minute is immobilized until the end of its next extended rest.