Improved Familiar( Complete Scoundrel, p. 78)
You can acquire a new familiar from a nonstandard list of creatures.
Ability to acquire a new familiar, compatible alignment, sufficiently high arcane spellcaster level,
When you choose a familiar, the creatures on the table below are also available. You can choose a familiar with an alignment up to one step away on each of the alignment axes (lawful through chaotic,good through evil). For example, a chaotic good spellcaster could acquire a neutral familiar. A lawful neutral spellcaster could acquire a neutral good familiar.
Except as noted here, improved familiars otherwise use the normal rules for familiars (PH 52).
|Monstrous centipede, Small||N||2nd|
|Monstrous scorpion, Small||N||3rd|
|Monstrous spider, Small||N||4th|
- Vargouilles summoned as familiars do not possess the kiss supernatural ability.
This feat was originally presented on page 200 of the DMG; the description here provides new alternatives for arcane spellcasters who want familiars stealthy and versatile enough to follow them anywhere.