Skill-build:

1/Impale
2/Manaburn/Scarabs
3/Impale
4/Scarabs/Manaburn
5/Impale
6/Vendetta
7/Impale
8/Stats/Manaburn
9/Stats/Manaburn
10/Stats/Manaburn
11/Vendetta
12/Scarabs/Stats
13/Scarabs/Stats
14/Scarabs/Stats
15/Stats/Manaburn
16/Vendetta
17/Stats/Manaburn
18/Stats/Manaburn
19/Stats
20/Stats
21/Stats
22/Stats
23/Stats/Scarabs
24/Stats/Scarabs
25/Stats/Scarabs

*Scarabs = Urna Swarm <-- this sounds weird, I love "Scarabs" more Proceed below for Item Build: Nerubian Assassin Item Build