Secondary professions for a Paragon

Paragon/Warrior

 * "For Great Justice!" is an unlinked non-elite alternative to Focused Anger.
 * Shouts such as "Watch Yourself!" are effective for energy management and triggering echoes and "chorus" chants.

Paragon/Ranger

 * Apply Poison adds poison to each Spear attack.

Paragon/Monk

 * Purge Signet's loss can be made up through Leadership with adrenal shouts such as "Go for the Eyes!".

Paragon/Necromancer

 * Paragons and Necromancer Skills have very little synergy.

Paragon/Mesmer

 * Expel Hexes and Shatter Storm are often used in PvP.
 * Mirror of Disenchantment can be used in PvP to debuff Aegis-using teams.

Paragon/Elementalist

 * Conjure Flame and other conjure spells can work well with a spear.

Paragon/Assassin

 * This profession combination is not useful for a Paragon Primary.

Paragon/Ritualist

 * Vocal was Sogolon is an item spell designed particularly for Paragons, extending the length of shouts and chants.
 * Brutal Weapon can be used to boost damage output (much like Conjure element for the P/E but without risk of disenchantment), and a variety of other weapon spells can be used to either enhance your own attacks or for party support.

Paragon/Dervish
Paragon skills and Dervish skills have little synergy.