Does all bosses spawn at server save?

Question

In some posts about bosses I see some people saying to check at server save so does all bosses can spawn at server save?

Answer 1

Groam, Midnight Panther, Undead Cavebear or Crustacea can spawn not a long time after SS, rest of bosses with random spawn appear usually at least + 1 hr after ss till - 1-2 hr before ss. Ofc exceptions are possible especially during the last day of boss' spawn time, but rarely. Except Groam NONE of random spawn bosses appear just after ss.

Answer 2

Not all but Yes, they can appear immediately after saving the server. I check this way often and I have met some bosses many times. There are even statistics on tibiabosses at what times they can appear.

For sure Groam , Midnight Panther, Zevelon Duskbringer, (and rest Vampires) Dire Pinguin I met these bosses right after ss.

I think that most bosses can be found after ss. Despite the fact that spawn is random.

Comments

they can possibly appear right after SS, however, I saw some reports about bosses respawning several hours after server save (Yeti is an example).

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Yes you are right, but I also often meet bosses right after ss, especially at the weekend. I don't know who gave me -1 despite my good answer..
I did not say that all bosses may appear before ss, but I came across several that appear immediately after ss.

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It was me, but I removed it now. I just wanted to highlight this aspect. A good chunk of bosses got statistics showing that they sometimes have specific hours of respawn. The edition in your answer made it more clear now. Have a good day!

Answer 3

Not all, by example  Dharalion appear 100% after 8 days without respaw but it can appear that day in any hour. Another example is the  Undead Cavebear or  Ferumbras.