How to get Talent Points
Every source of Talent Points on the server — the five you are given at Master Class, and the six quests that award the rest.
Talent Points are handed out in two ways: a block of them the moment you become a Master Class, and then one at a time from a short list of quests. There is no other source.
Master Class gives you 5 straight away. You do not quest for the first five — reaching Master Class awards them on its own. That block already covers the level-148 [TP] quests (Eloim Ciape, Elenoir the sand protector, Exorcist Jeina), so there is nothing to hunt for there.
The quests that give the rest
Six quests, spread from level 1 to level 200. They are marked [TP] in the client so you can spot them in a quest list.
Level 1 — Blessing of the Gods
Three quests, one per town. They are available from the very start and are the cheapest Talent Points you will ever get.
[TP]Blessing of the Gods - Home Town [TP]Blessing of the Gods - Great City [TP]Blessing of the Gods - City of Ruins
Each town has its own walkthrough in the Quests section.
Walkthroughs: Overview · Laksy · Katan · Horizon · Rondo · City of Ruins
Level 160 — Mysterious Request
The 6th Talent Point. It does not require any of the earlier quests — the moment you hit 160 as a Master Class, it is available.
[TP] Mysterious Request
Walkthroughs: Mysterious Request (160)
Level 170 — The Truth Revealed
The last step of the Ruins of Ancients chain, and one more Talent Point at the end of it.
[TP] The Truth Revealed
Walkthroughs: The Truth Revealed (170) · How to Unlock ROA
Level 200 — King of Quiz
The last one on the list.
[TP]King of Quiz
Adding it up
Five from Master Class, plus one for each quest above. Nothing else on the server grants a Talent Point, so if a build calls for more than that list can give, it is not reachable yet.