The best place to get crimson Charms would be killing the high level cockroaches at the player safety dungeon.
Use a fishing rod
Jungle Hunting area.
Tormented Wraiths, Water Feinds, Skeletal Wyverns, Shadow Warriors, Rock Lobsters, Greater Demons, Dust Devils, and Black Demons give a good crimson charm rate.
In the fishing spot near the Barbarian Village.
The Crimson Swift inhabits the Feldip Hunter area beside the shoreline, you can get there quick-ish by Using a Ring of Dueling then teleporting to mobilising armys and Walking to Feldip from there.
Level 1 Hunter is required to hunt Crimson Swifts. You will also need at least 3 Bird's Snares in case you lose some to random events.
Birds. Depending on your hunter level: Crimson swift requires level 1 Golden warbler requires level 5 Copper longtail requires level 9 Cerulean twitch requires level 11 Topical wagtail requires level 19 You can find the location of all these birds by using Runescape wiki.
enough.
Waterfiends.
The best place to get crimson Charms would be killing the high level cockroaches at the player safety dungeon.
40
Lumbrage
No.
Use a fishing rod
yes you do
Jungle Hunting area.