While not definitive proof, there a tons of posts about how there are way more hill giants up than blue has ever had.
https://everquest.allakhazam.com/db/...6&p=3#comments
RE: Basilisks
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# Jun 14 2001 at 5:19 PM Rating: Good
paugod
Scholar
28 posts
The Hill Giant Valley in the South West corner of the zone is where most Basilisks hang out. I have heard reports that Basilisks are placeholders for the HGs but do not know this for a fact. I do know that when there are a lot of HGs around there are few Basilisks and when there are a lot of Basilisks there a few HGs. I have heard that Giant Skellys are also placeholders for HGs. The very best place to hunt is the North West corner of this Valley. You usually see the Basilisks on top of the Hill, near the tower and they sometimes wander down the side of the hill.
On the East side of this valley area there are also a lot of Bailisks but this area is very dangerous as HGs get bunched up from various pulls and you can become trained on very quickly with HGs, cyclopses, Giant Skellies and what not. The drake also roams this area. The reason for these trains is that Druids are very effective against HGs and they like to train them, dot them and kill them in packs. Sometimes they pull more than they can handle and they clear out leaving wandering problems for other groups. The North West area of this valley is the least vulnerable to this and there are pockets inside where you will not agro wanderings Mobs.
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Alarick
Paladin Lvl 45
Forbringers of Fate
Also quite a few people mentioning how they are in full groups killing giants....that would just be straight up stupid to do if there were only the 5 or 6 spawns we currently have.