What's the lowest energy I can achieve with a focus item?

According to the wiki page about focus items it says if the requirement is not met in a non-randomly generated item(ie collector/unique item) the focus item will give +3 energy(assuming it is maxed).

So if I obtain a weaponsmith's focus item(assuming this falls under non-randomly generated items) which will give me +3 energy.

If I go ahead and throw a "Ignorance is Bliss" inscription on it(al +5/e -5) that will give me a grand total of -2 energy?

http://www.guildwarsguru.com/content...wap-id1725.php
http://www.guildwarsguru.com/forum/m...tml?t=10047977
http://www.guildwarsguru.com/forum/m...t10027581.html

+3-5=-2... not worth it unless you're only taking armor ignoring damage (+8 to +16 armor is better .... +3 to +11 net).

It's -7 total, after you add a weapon with +5 defense and -5 energy.

In summary:
42 (40/40)
40 (staff)
57 (+15/-1 wand , normal focus)
72 (+15/-1 wand , focus)
23 --> negative 5 weapon, -2 focus (i.e. red fan, blue fan, Yellow fan)
25 (negative 5 weapon)
30 --> shield, cast time weapon
35 (+5 energy weapon and shield)