For Dragon Fangs, get to L20-30 and fight in the Training Center in Balamb Garden. The T-Rexaurs can drop 6 Dragon Fangs after battle at this level.
The Adamantines can either be refined from the cards dropped after the Brotehrs battle; or you can just level up to L30+ and fight the Adamantoises on the beach near Dollet, which you can get to before going to Galbadia Garden for the first time.
You can get the Pulse Ammo by either getting 20 Elnoyle cards and refine them into Energy Crystals for 10 Pulse Ammo each; or fight Elastoids (again L30+) in the second Laguna sequence to get Laser Cannons which refine into 5 Pulkse Ammo each (you get the most Elastoids in the screen with steps just past the detonator).
So, yeah. ๐
Shear trigger-rough divide,fated circle
Cutting trigger-^same as previous
Flame Saber-Rough divide,Fated Circle,Blasting Zone
Twin Lance-^same
Punishment-^same
Lion Heart—all of them
That’s the layout, as I remember, and I have skipped from first to last, so I know you get them all,it’s basically set for each weapon,meaning, if you go back to a Cutting Trigger from a Flame Saber, you’ll lose Blasting Zone.
Personally, I think you should have gotten Fated Circle with the Cutting trigger,and Blasting Zone with the Twin Lance,it would have made more sense.
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Irvine’s is the only one you won’t be able to get until disc 3, because there is no way of getting the Moon Stones before going to Esthar. ๐